Hydrapak SoftFlask Speed 500ml provides low-profile, bounce-free hydration for trail running vests, belts, and packs with its compressible TPU design and pinch-welded base that fits snugly in tight pockets. This ultralight 46g flask features a SpeedFill flip-top cap for one-handed refills with ice or gels and a self-sealing bite valve for drip-free sips on the move.Key Features Pinch-Welded Base: Low-profile tapered shape loads easily into vests/packs; shrinks as you drink to minimize sloshing. SpeedFill Flip-Top Cap: 42mm wide opening flips open for fast refills/snaps shut leakproof; one-handed operation. Self-Sealing Bite Valve: Silicone valve auto-closes after sips, preventing drips during runs or hikes. Ultra-Durable TPU: RF-welded seams resist abrasion; freeze-safe (-20°C to 60°C), BPA/PVC-free. Compact Specs: 280mm x 80mm, 46g; pairs with 42mm filters for versatile fueling.
