Small, easy-to-fill red soft flask for trouble-free, lighweight hydration on the run.
Wide opening for fast and efficient filling at aid stations, combined with intuitive bite valve for easy drinking
Reduces volume as it empties: the flask shrinks as you drink to avoid annyoing sloshing noises and taking up excess volume when empty
Made from100% BPA & PVC free plastic, the flask is safe and durable so you can use, wash and use again.
100% Thermoplastic Polyurethane