The Salomon Soft Flask 150ml is perfect for staying hydrated and energized during your runs. The high-flow valve makes it easy to get quick hydration on the move, and the flask’s soft, flexible shape shrinks as you drink to limit sloshing. Plus, you can use it to prepare your energy gels in advance so you don’t need to fumble with sticky gel packets. Details: High-flow valve 28 mm opening. Compatible with all Salomon caps featuring a 28 mm opening. TPU and RF welded seams Wide working temperature range