The 16 oz. /485 ml hydraform soft-tech insulluxe™ features an innovative patent-pending retractable sleeve / flask design that eliminates sagging as the reservoir empties.
Integrated thumb / finger holds allows hand to relax.
Features quick-access dual gel loops.

• Pull the integrated strap on the sleeve to take up empty space and keep the flask performing as if it were full
• Refill to full capacity by pulling down on the base strap
• Includes a 16 fl. oz. Soft-Tech™ flask with easy-bite valve; the flask is BPA-free and dishwasher-safe
• Comfortable, integrated hand strap features loops for your thumb and forefinger to stabilize the flask while allowing your hand to relax
• Dual loops on the hand strap provide convenient access to energy gels
• Flask removes easily from the sleeve for cleaning