Tailwind Soft Flask 500ml Tape and Built for Performance

and Built for Performance

All-Terrain Traction

or flat gravel paths

FDA-approved polyethylene (BPA-free)

Smooth and Stable Ride

Tailwind Soft Flask 500ml Tape and Built for PerformanceLightweight and compact, the Hydrapak's UltraFlasks collapse as you drink. This eliminates sloshing and allows you to pack the empty flask tightly to stow on the go. Perfect for integrating into hydration vests, belts, or handheld systems. Suited for a full range of year round activities, and backed by Hydrapak's leakproof warranty. 500ml 17oz Features: 500ml 28mm wide opening High glow bite valve auto seals after each sip and includes a twish locking