The SOFT FLASK is flexible and compresses as you drink to eliminate water bouncing inside. Reduces sucking effort. The valve won't leak until you bite it.
Eliminate the annoying sloshing of water in your bottle. This soft flask compresses as you drink, letting you know how much you have left.
Minimal construction and shrink while you drink means it gets lighter as you run!
Super fast and accessible, a light squeeze gives ample hydration, without leaking.
PVC, bisphenol - A free