Wear your water. The collapsible, lightweight SoftFlask 250ML is easy to fill and even easier to use while on the move. Pair with the Hydration Trail Bra and Hydration Trail Tank for the ultimate hydration system for long days on the trail. We love it for: trail running 250ML Material: TPU, HDPE, PP/POM, Silicone Dimensions: 210 mm x 70 mm / 8.3 in x 2.8 in Weight: 24 g / 0.8 oz