{"title":"PURE MOUNTAIN RUNNING","description":null,"products":[{"product_id":"ultraspire-altruist","title":"UltrAspire Altruist","description":"\u003cp\u003e\u003cstrong\u003eThe Altruist Hydration Pack is engineered for multisport athletes and mountain runners who require greater capacity, stability, and all-day comfort when carrying heavier loads. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWith a 28-litre capacity and roll-top closure, the Altruist is built for extended efforts where preparation, reliability, and efficient organization are essential.\u003c\/p\u003e\n\u003cp\u003eMassive side pockets provide quick access to essentials and are compatible with UltrAspire hydration components, while a quick-stash outer pocket with integrated load compression keeps gear secure and manageable on the move. The pack is reservoir-compatible for seamless hydration across long distances and varied terrain. Designed for stability under load, the Altruist features a supportive waist belt that helps leverage weight distribution when the pack is at capacity, creating a more comfortable ride over long miles. Removable anodized aluminum buckles offer durable attachment points for trekking poles, ice axes, or sleeping pads, ensuring adaptability across disciplines and conditions. The harness system includes adjustable webbing with a sliding toggle for a secure, dialed fit. Up front, large zippered bottle pockets provide weather protection, while layered zippered storage keeps nutrition and essentials within easy reach. Sweat-resistant phone storage and dual zippered top shoulder pockets add organization without interrupting movement.\u003c\/p\u003e\n\u003cp\u003eConstructed with our EnduraMesh XT, the Altruist features a true 4-way stretch mesh that moves naturally with the body while maintaining structural integrity under load. Unlike conventional stretch materials that fatigue and lose shape over time, EnduraMesh XT blends high-strength Nylon 66 with 30% UHMWPE fibers — a material rated up to 15 times stronger than steel by weight. This advanced composition delivers adaptive storage that expands when needed, secures gear without sagging, and withstands abrasion from repeated use in harsh environments, preserving both durability and a streamlined fit.\u003c\/p\u003e\n\u003cp\u003eBuilt for athletes who carry more so they can go farther, the Altruist delivers dependable performance, balanced load management, and the confidence to stay self-sufficient in demanding environments.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe Altruist Hydration Pack is part of our Pure Mountain Running line, designed for athletes who move with purpose through environments that constantly test both gear and resolve. Built for long efforts where reliability matters most, the primary body utilizes challenge cloth — a three-layer composite combining high-density polyester, UHMWPE fiber reinforcement, and a protective polyurethane film. The result is a fabric that delivers exceptional abrasion resistance while remaining remarkably lightweight, ready to withstand sharp rock, dense brush, and the relentless friction of miles in the mountains.\u003c\/p\u003e\n\u003cp\u003eSupporting this foundation is our EnduraMesh XT, a true 4-way stretch mesh engineered to move naturally with the body. Where conventional stretch materials fatigue and fail, EnduraMesh XT integrates Nylon 66 for structural strength with 30% UHMWPE fibers, a material rated up to 15 times stronger than steel. This creates adaptive storage that maintains its integrity over time, ensuring secure carry and consistent performance through demanding conditions.\u003c\/p\u003e\n\u003cp\u003eEvery fabric choice in the Altruist reflects a commitment to durability, movement, and trust — because when the terrain pushes back, your gear should remain the one constant you can rely on.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Use:\u003cbr\u003e\u003c\/strong\u003e\u003cbr\u003eThe Altruist is designed for multisport athletes and endurance adventurers who need a versatile, high-capacity pack built to handle everything. Ideal for ultrarunning, adventure racing, mountaineering, and long backcountry adventures where carrying a variety of gear is essential. Perfect for athletes who demand fast access, durable construction, and all-day comfort across unpredictable terrain and changing conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003eDetails:\u003cbr\u003e\u003c\/strong\u003e\u003cbr\u003e• 28-litre roll-top design built for multisport and endurance athletes\u003cbr\u003e• Durable construction with premium materials for rugged, all-condition use\u003cbr\u003e• Massive side pockets fit all UltrAspire hydration options and allow fast gear access\u003cbr\u003e• Externally accessible, insulated reservoir sleeve for efficient mid-effort refills\u003cbr\u003e• Large quick-stash outer pocket with compression for secure load management\u003cbr\u003e• Anodized aluminum buckles provide reliable attachment for poles, ice axe, or hose management\u003cbr\u003e• MaxO2 sternum system with adjustable toggle buckle for custom fit and breathability\u003cbr\u003e• Front harness includes a zippered bottle pocket with weather protection\u003cbr\u003e• Layered zippered pocket at the fingertips for quick-access items\u003cbr\u003e• Sweat-proof lined phone pocket keeps electronics protected\u003cbr\u003e• Dual zippered top shoulder pockets for additional organization\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFit:\u003c\/strong\u003e \u003cstrong\u003eSM\/MD:\u003c\/strong\u003e Waist 27″-38″ Torso 15.5″-18.5″, \u003cstrong\u003eMD\/LG:\u003c\/strong\u003e Waist 29″-42″  Torso 17.5″-20.5″\u003cbr\u003e\u003cstrong\u003eHydration Included:\u003c\/strong\u003e Not Included\u003cbr\u003e\u003cstrong\u003eBottle Compatible:\u003c\/strong\u003e UltraFlask 550 Hybrid Bottle, Softflask 300\/500\/625\/800\/1L\u003cbr\u003e\u003cstrong\u003eCapacity:\u003c\/strong\u003e 1708 cu in (28L)\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 2 lb 1 oz w\/frame (935g), 1 lb 14 oz w\/o frame (850g)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eALTRUIST CAPACITY \u0026amp; DIMENSIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMain Compartment Capacity:\u003c\/strong\u003e Approx. 23L\u003cbr\u003e\u003cstrong\u003eTotal Pack Capacity:\u003c\/strong\u003e 28L\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMain Compartment Dimensions (fully loaded with one full roll):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e60 cm tall\u003c\/li\u003e\n\u003cli\u003e23 cm wide (measured at center of pack)\u003c\/li\u003e\n\u003cli\u003e17 cm deep (measured at center of pack)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eExterior Storage:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront side pockets:\u003c\/strong\u003e Approx. 1L each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaist pockets:\u003c\/strong\u003e Approx. 0.5L each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear bottle pockets:\u003c\/strong\u003e Approx. 1L each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear stow pocket:\u003c\/strong\u003e Approx. 1L depending on main compartment load\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/WbWCLn7TfSQ?si=SoXYg6f7PM8qViRX\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"UltrAspire","offers":[{"title":"White\/Black \/ Small\/Medium","offer_id":62243389145458,"sku":"UA149WHSM","price":799.95,"currency_code":"NZD","in_stock":false},{"title":"White\/Black \/ Medium\/Large","offer_id":62243391766898,"sku":"UA149WHML","price":799.95,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0992\/4260\/6962\/files\/3100949-PRINTweb.jpg?v=1789440124"},{"product_id":"ultraspire-hydration-pack-purist-black-one-size","title":"UltrAspire Hydration Pack - Purist, White\/Black, One Size","description":"\u003cp\u003e\u003cstrong\u003eThe Purist is engineered for multisport athletes who demand maximum versatility and reliability from their gear. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWith a 22-litre capacity and a roll-top design, this pack carries everything you need for endurance adventures across any terrain. Massive side pockets offer fast access to essentials and can carry any UltrAspire hydration components. A quick-stash outer pocket with load compression keeps gear secure and manageable. The Purist is also reservoir-compatible for seamless hydration on the move. Equipped with removable anodized aluminum buckles, it provides durable attachment points for trekking poles, ice axes, or hose management. The harness system webbing and a sliding toggle ensures a secure, adjustable fit. The front harness features large zippered bottle pockets for weather protection, layered zippered pockets available at your fingertips, sweat-proof phone storage, and dual zippered top shoulder pockets for added organization and access. The MaxO2 Waist feature allows for a completely customizable fit on this pack whether empty or fully loaded. One size fits most. \u003c\/p\u003e\n\u003cp\u003eConstructed with our EnduraMesh XT and Challenge Cloth, the Purist features a true 4-way stretch mesh that moves naturally with the body while maintaining structural integrity under load. Unlike conventional stretch materials that fatigue and lose shape over time, EnduraMesh XT blends high-strength Nylon 66 with 30% UHMWPE fibers,  a material rated up to 15 times stronger than steel by weight. This advanced composition delivers adaptive storage that expands when needed, secures gear without sagging, and withstands abrasion from repeated use in harsh environments, preserving both durability and a streamlined fit.\u003c\/p\u003e\n\u003cp\u003eThe Purist is part of our Pure Mountain Running line, created for athletes who move through environments where gear is continuously tested by terrain. The primary body of the pack is constructed using challenge cloth, a three-layer composite that pairs high-density polyester with a UHMWPE fiber reinforcement layer and a polyurethane film. This creates a fabric that is significantly more abrasion resistant than even military spec fabrics, while remaining exceptionally lightweight and ready to handle sharp rock, brush, and the constant friction of long days in the mountains.\u003c\/p\u003e\n\u003cp data-start=\"656\" data-end=\"1094\"\u003eComplementing this is our EnduraMesh XT, a true 4-way stretch mesh that flexes naturally with the body. Unlike typical stretch meshes that degrade under stress, EnduraMesh XT blends Nylon 66 for strength with 30% UHMWPE fibers that are rated up to 15 times stronger than steel. The result is a pack that delivers both adaptability and long-term durability, built to move with you while standing up to whatever the mountain throws your way.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003eRecommended Use:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Purist is designed for multisport athletes and endurance adventurers who need a versatile, high-capacity pack built to handle everything. Ideal for ultrarunning, adventure racing, mountaineering, and long backcountry adventures where carrying a variety of gear is essential. Perfect for athletes who demand fast access, durable construction, and all-day comfort across unpredictable terrain and changing conditions.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDetails:\u003cbr\u003e\u003c\/strong\u003e\u003cbr\u003e• 22-litre roll-top design built for multisport and endurance athletes\u003cbr data-start=\"182\" data-end=\"185\"\u003e• Durable construction with premium materials for rugged, all-condition use\u003cbr data-start=\"260\" data-end=\"263\"\u003e• Massive side pockets fit all UltrAspire hydration options and allow fast gear access\u003cbr data-start=\"349\" data-end=\"352\"\u003e• Accessible, insulated reservoir sleeve for efficient mid-effort refills\u003cbr data-start=\"436\" data-end=\"439\"\u003e• Large quick-stash outer pocket with compression for secure load management\u003cbr data-start=\"515\" data-end=\"518\"\u003e• Anodized aluminum buckles provide reliable attachment for poles, ice axe, or hose management\u003cbr data-start=\"612\" data-end=\"615\"\u003e• MaxO2 sternum system with adjustable toggle buckle for custom fit and breathability\u003cbr data-start=\"700\" data-end=\"703\"\u003e• Front harness includes a zippered bottle pocket with weather protection\u003cbr data-start=\"776\" data-end=\"779\"\u003e• Layered zippered pocket at the fingertips for quick-access items\u003cbr data-start=\"845\" data-end=\"848\"\u003e• Sweat-proof lined phone pocket keeps electronics protected\u003cbr data-start=\"908\" data-end=\"911\"\u003e• Dual zippered top shoulder pockets for additional organization\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFit:\u003c\/strong\u003e Universal\u003cbr\u003e\u003cstrong\u003eSizes:\u003c\/strong\u003e 26″–45″\u003cbr\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003cbr\u003e\u003cstrong\u003eHydration Included:\u003c\/strong\u003e Not Included\u003cbr\u003e\u003cstrong\u003eBottle Compatible:\u003c\/strong\u003e UltraFlask 550 Hybrid Bottle, Softflask 300\/500\/800, Human 20 Bottle, Reservoir\u003cbr\u003e\u003cstrong\u003eCapacity:\u003c\/strong\u003e 22L\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 595g\u003c\/p\u003e\n\u003cp data-start=\"0\" data-end=\"28\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"0\" data-end=\"28\"\u003e\u003cstrong\u003ePURIST CAPACITY \u0026amp; DIMENSIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"30\" data-end=\"97\"\u003e\u003cstrong\u003eMain Compartment Capacity:\u003c\/strong\u003e Approx. 18L\u003cbr data-start=\"68\" data-end=\"71\"\u003e\u003cstrong\u003eTotal Pack Capacity:\u003c\/strong\u003e 22L\u003c\/p\u003e\n\u003cp data-start=\"99\" data-end=\"144\"\u003e\u003cstrong\u003e\u003cbr\u003eMain Compartment Dimensions (fully loaded):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"145\" data-end=\"189\"\u003e\n\u003cli data-section-id=\"19qew6u\" data-start=\"145\" data-end=\"159\"\u003e50 cm tall\u003c\/li\u003e\n\u003cli data-section-id=\"18r2khn\" data-start=\"160\" data-end=\"174\"\u003e20 cm wide\u003c\/li\u003e\n\u003cli data-section-id=\"1v7sq1g\" data-start=\"175\" data-end=\"189\"\u003e17 cm deep\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"191\" data-end=\"210\"\u003e\u003cstrong\u003e\u003cbr\u003eExterior Storage:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"211\" data-end=\"357\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1gzsslh\" data-start=\"211\" data-end=\"250\"\u003e\n\u003cstrong\u003eFront side pockets:\u003c\/strong\u003e Approx. 1L each\u003c\/li\u003e\n\u003cli data-section-id=\"1kn7cbj\" data-start=\"251\" data-end=\"291\"\u003e\n\u003cstrong\u003eRear bottle pockets:\u003c\/strong\u003e Approx. 1L each\u003c\/li\u003e\n\u003cli data-section-id=\"agw8j2\" data-start=\"292\" data-end=\"357\" data-is-last-node=\"\"\u003e\n\u003cstrong\u003eRear stow pocket:\u003c\/strong\u003e Approx. 1L depending on main compartment load\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"UltrAspire","offers":[{"title":"Default Title","offer_id":62243394191730,"sku":"UA148WH","price":599.95,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0992\/4260\/6962\/files\/7f43d7be-53a5-43b5-b6a7-55bfe7cf7c78.jpg?v=1787864979"},{"product_id":"ultraspire-mountain-racer","title":"UltrAspire Mountain Racer","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eThe Mountain Racer is a high-durability, high-capacity 3-liter waist pack built to perform in demanding environments. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eBuilt with our \u003ca href=\"https:\/\/ultraspire.com\/pure-mountain-running\/\"\u003eEnduraMesh XT™\u003c\/a\u003e, a high-density 30% UHMWPE ripstop blend with steel-strength fibers, it’s engineered to outlast the trail without sacrificing comfort. Designed with a 3-liter capacity to carry your essentials and more, securely and comfortably.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe front features a large kangaroo-style pocket with an internal phone sleeve and a layered zippered pocket for organizing key items. Two additional large side pockets, each with compression straps and cord locks, provide secure storage for sensitive gear.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe rear compartment easily holds the included 800 mL Softflask with a new locking cap. Compatible with the UltrAspire Light Bracket for seamless use with the Lumen 600 5.0, Lumen 850 Duo, or Lumen 400z 3.0, and removable rear Z-pole attachments offer added versatility for mountain missions.\u003cstrong\u003e Light Bracket not included.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e \u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eRecommended Use:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mountain Racer is ideal for trail runners and mountain athletes who need a high-capacity waist pack without compromising performance. Perfect for long training runs, mountain races, or fast missions where you want to stay agile while carrying hydration, nutrition, poles, and essential gear. Built for rugged environments and multi-hour efforts where durability, access, and comfort are key.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDetails:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-capacity 3L waist pack designed for rugged mountain and long-distance trail use\u003c\/li\u003e\n\u003cli\u003ePremium materials offer enhanced durability and weather resistance\u003c\/li\u003e\n\u003cli\u003eLarge kangaroo-style front pocket with inner phone sleeve and layered zippered storage\u003c\/li\u003e\n\u003cli\u003eTwo large side pockets with compression straps and cord locks for secure gear storage\u003c\/li\u003e\n\u003cli\u003eRear pocket securely holds included 800 mL softflask with new locking cap\u003c\/li\u003e\n\u003cli\u003eLight bracket compatible for waist-mounted lighting solutions\u003c\/li\u003e\n\u003cli\u003eRemovable rear Z-pole attachments for customizable loadout\u003c\/li\u003e\n\u003cli\u003eErgonomic design ensures stable fit and minimal bounce during high-output movement\u003c\/li\u003e\n\u003cli\u003eSoft, breathable materials for long-wear comfort\u003c\/li\u003e\n\u003cli\u003eAvailable in four sizes: Small (28–32″), Medium (31–34″), Large (33–37″), Extra Large (36″-40″)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFit:\u003c\/strong\u003e Unisex\u003cbr\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e Sized- Small (28–32″), Medium (31–34″), Large (33–37″), Extra Large (36″-40″)\u003cbr\u003e\u003cstrong\u003eHydration (Included) - \u003c\/strong\u003e1x 800 mL Softflask with Locking Cap\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003eDoes Not Include: \u003c\/strong\u003eLight Bracket\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003eCapacity:\u003c\/strong\u003e 183 c.i. (3L)\u003cbr\u003e\u003cstrong\u003eWeight: \u003c\/strong\u003e4.8 oz (136 g)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e \u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e \u003c\/p\u003e","brand":"UltrAspire","offers":[{"title":"Black \/ Small","offer_id":62350741799282,"sku":"UA085BKSM","price":259.95,"currency_code":"NZD","in_stock":false},{"title":"Black \/ Medium","offer_id":62350741897586,"sku":"UA085BKMD","price":259.95,"currency_code":"NZD","in_stock":false},{"title":"Black \/ Large","offer_id":62350742028658,"sku":"UA085BKLG","price":259.95,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0992\/4260\/6962\/files\/MOUNTAINRACER--2292314-PRINTweb.jpg?v=1789534019"}],"url":"https:\/\/ultraspirenz.co.nz\/collections\/pure-mountain-running.oembed","provider":"Ultraspire","version":"1.0","type":"link"}