The Compressport ErgoFlask 500ml in Clear is a soft, easy carry flask that reduces volume as you drink, avoiding sloshing and taking up unnecessary space.

Using an intuitive, leak-free cap, the Compressport ErgoFlask 500ml easy to fill at filling aid stations, and it uses a fast-flow bite valve for easy drinking on the move. Made from 100% PVC and BPA-Free its safe to use, wash and use again and again.