Whether it’s trails, rivers or slopes, nutrition is just a bite away. The collapsible, lightweight SoftFlask 250 is easy to fill and even easier to consume with our patented soft silicone bite valve. It can be integrated into a variety of packs, vests, belts, even PFDs. Go the distance without running out of fuel. 28mm opening allows you to store 250ml of liquid of 8 servings+ of gel.