FITLY Soft Flask - Collapsible Water Bottle with Hydration Tube - Shrinks As You Drink Portable Water Bladder for Running Vest Hydration Pack, Hiking, Backpacking & Cycling - 17oz (FLASK500ml)

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• COLLAPSIBLE WATER BOTTLE FOR RUNNING & HIKING: This soft flask collapsible water bottle provides lightweight hydration for running, hiking, cycling, and trail adventures. The foldable design shrinks as you drink, eliminating bounce and slosh. At 17oz (500ml), it offers 1-2 hours of hydration. Fits running vest water bottle pockets securely.
• SOFT WATER BOTTLE WITH HYDRATION TUBE: Features a 23-inch hydration tube with silicone bite valve for convenient drinking while running or hiking. This running flask soft water bottle collapses flat when empty, ideal for backpacking, skiing, or marathon training. Leak-resistant mouthpiece prevents spills while the collapsible design saves space.
• LIGHTWEIGHT HYDRATION BLADDER FOR RUNNING VESTS: Our soft flask running bottle integrates seamlessly with running vests, hydration packs, and hiking backpacks. This water bladder alternative weighs less than rigid bottles while providing reliable hydration. Ideal for ultramarathons, trail running, and backcountry hiking where every ounce matters.
• FREEZABLE RUNNING WATER BOTTLE: Made from durable Thermoplastic Polyurethane (TPU), this hydration bottle is freezable for use as an ice pack on hot weather runs. BPA and PVC-compliant materials ensure safe hydration. Reusable construction reduces plastic waste, while the foldable design makes it ideal for running and hiking gear.
• 17 OZ CAPACITY & CONSTRUCTION: This 500ml soft flask features a 23-inch hydration tube with a bite valve mouthpiece for easy drinking during activity. Made from BPA-compliant TPU material that's freezer-safe for ice pack use. Available in 5 sizes, our flask water bottles provide leak-proof performance for camping, skiing, and hiking needs.