LIGHTWEIGHT & PORTABLE: The Soft Flask 250ml/8oz keeps you hydrated on all your shorter runs, so you can explore, train, ski, and race in optimum conditions. The new design also slots perfectly into the Salomon Predict Skin 2 vest, shrinking as you drink to limit water bounce. HIGH-FLOW VALVE FOR EASY DRINKING: The intuitive high-flow valve allows for quick sips on the go, so you can maintain your energy levels without missing a beat. SHRINKS WITH USE: This innovative soft flask shape easily fits in your pocket and reduces in size as you drink, and it lets you know exactly how much you have left. This flask design minimizes bounce and provides a stable hydration solution without distractions or added bulk. COMPATIBLE & VERSATILE: Compatible with all Salomon caps featuring a 28mm opening and an extra grip design on the cap, making it a versatile choice for any runner looking for efficient hydration. 100% BPA AND PVC FREE: Made from 50% Thermoplastic Polyurethane, 35% Polyoxymethylene, 15% Silicon. Feel confident in your hydration choice with a flask that is completely free from harmful chemicals, ensuring a safe and clean drinking experience.