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 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. BPA & PVC free, Leakproof, Freezeable NUTRITION VALVE Designed to carry gels, water, electrolytes, or your own nutrition mix COMPRESSIBLE Flexible design shrinks as you drink reducing movement and easily packs away when empty Standard 28mm opening lets you fill the SoftFlask easily, holds 8+ servings of energy gels or nutrition Made of ultra-durable, abrasion resistant TPU & RF welded seams for superior durability and elasticity 100% BPA & PVC free, wide working temperature range (can be frozen - max temp 60° C / 140° F) The SF250 makes a great nutrition or hydration addition or replacement to your running vest, pack, or belt pocket Vest-pack fit provides bounce-free stability and a flexible flask shoulder to prevent chafing so you can focus on FKT's and PR's CAPACITY 250 ml / 8.5 fl oz DIMENSIONS 230 x 75 mm / 9.0 x 2.9 in WEIGHT 24 g / 0.8 oz MATERIAL TPU, HDPE, PP/POM, Silicone