Ultimate Performance 500ml Flexi Flask

Compatible with most Ultimate Performance vests, the 500ml Flexi Flask allows you to stay hydrated during those intense training and racing days.

Utilising a lightweight, compressible and flexible construction, the 500ml Flexi Flask is a great addition to your future runs. It will fit well in pockets of vests and packs, so you have easy access to water when the run gets tough, the flask is 100% durable, for a long-lasting reliable product. The flask has a long straw and soft bite valve for easy drinking.