Compatible with Strive Fly, Strive 5 and Strive 10 running vests, the Silva Soft Flask 500ml lets you stay hydrated without slowing you down.

Made from a soft and flexible material that weighs only 44g, the Sliva Soft Flask 500ml features a self-sealing nozzle for easy drinking at pace. An easy to grip 40mm cap makes it easy to open, fill and wash.