{"product_id":"nathan-soft-flask-collapsible-running-bottle-14-oz-bite-top-leak-resistant-packable","title":"Nathan Soft Flask collapsible running bottle — 414 ml (14 oz) Bite Top, leak-resistant \u0026 packable","description":"\u003cp\u003e\u003cstrong\u003eNathan Soft Flask with Bite Top is a lightweight, 14 oz collapsible running bottle that delivers spill-resistant hydration and packs down small when empty.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for runners who want an unobtrusive way to carry water on short to medium outings, this soft flask pairs a leak-resistant bite valve with a bonded internal spine so the bottle keeps its shape even as fluid levels drop. The wide mouth makes refills and cleaning straightforward, the materials are BPA- and PVC-free, and the body is compatible with most running vests and belt systems.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the bite top prevent leaks while I run?\u003c\/h3\u003e\n\u003cp\u003eThe molded bite valve stays closed until you apply pressure, significantly reducing drips during movement. It opens easily when you sip and seals automatically when released, so you can hydrate without interrupting your pace.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSoft, user-friendly bite valve avoids accidental spills\u003c\/li\u003e\n  \u003cli\u003eSelf-sealing design keeps water contained between sips\u003c\/li\u003e\n  \u003cli\u003eNo extra caps to fumble with while moving\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this flask fit in my vest or pocket?\u003c\/h3\u003e\n\u003cp\u003eThis 14 oz soft flask was engineered to work well with Nathan hydration vests and most other brands’ front pockets. The flexible body conforms to tight spaces and the bonded spine helps maintain a usable shape as the bottle empties.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e14 oz (414 ml) capacity for short runs and sessions\u003c\/li\u003e\n  \u003cli\u003eBonded interior spine preserves shape for easy removal\u003c\/li\u003e\n  \u003cli\u003eCollapsible design packs flat when empty for minimal bulk\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I clean, refill, and store the flask?\u003c\/h3\u003e\n\u003cp\u003eThe wide opening simplifies pouring, rinsing, and adding ice or electrolyte mixes. It is top-rack friendly for cleaning and can be frozen for cold drinks; avoid exceeding the stated temperature limits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLarge mouth for fast refills and easier sanitizing\u003c\/li\u003e\n  \u003cli\u003eFreezable for cold hydration on hot days\u003c\/li\u003e\n  \u003cli\u003eSafe up to 140°F (60°C); rinse and air dry fully before storing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and safety features does it include?\u003c\/h3\u003e\n\u003cp\u003eThe flask is constructed from BPA- and PVC-free materials and is made by Hydrapak for Nathan, combining lightweight performance with durable, reusable design. The bonded spine adds structural support without adding weight.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBPA- and PVC-free materials for daily use\u003c\/li\u003e\n  \u003cli\u003eReusable, foldable, and lightweight construction\u003c\/li\u003e\n  \u003cli\u003eManufactured by Hydrapak for trusted hydration technology\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: runners, trail athletes, fitness walkers, and anyone who needs a compact, spill-resistant drinking solution for outings under a few hours. If you prefer minimal weight, want easy refilling, and like to stash a bottle in a front-zip vest pocket, the Nathan 14 oz Soft Flask is a practical, travel-friendly choice.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the capacity of the Nathan soft flask?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It holds 14 oz (414 ml), ideal for short to medium runs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I freeze the flask for cold water?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it can be frozen; avoid temperatures above 140°F (60°C).\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Nathan","offers":[{"title":"Default Title","offer_id":59353143017820,"sku":"B07PJVLPCD","price":43.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/5604\/9244\/files\/nathan-soft-flask-front-view.jpg?v=1791136093","url":"https:\/\/sportium.co.uk\/products\/nathan-soft-flask-collapsible-running-bottle-14-oz-bite-top-leak-resistant-packable","provider":"Sportium Sports And Outdoors","version":"1.0","type":"link"}