HydroPack 500ml SoftFlaskSpeed Men's Apparel With a roomy toe box

With a roomy toe box and secure midfoot

Unique geo-reflective print for added visibility in low-light conditions

Shrinking as you drink to limit water bounce

Gusseted Tongue: Stretchy tongue lining that hugs the foot securely and comfortably without any stress

One layer of our foam is incredible - two is unforgettable

HydroPack 500ml SoftFlaskSpeed Men's Apparel With a roomy toe boxThe SoftFlask Speed is specifically designed to be compatible with the widest range of vests and packs. Replacement or upgrade, the pinch welded bottom makes loading into pockets a cinch. Its secure, single handed SpeedFill flip top makes filling fast both water and fuels and the self sealing silicone bite valve delivers sips, not drips. And all this weighs just grams. Beyond Lifetime Guarantee Fits Running Packs And Vests Packs Down Speedfill Cap