See more: Accessories
Get rid of leaks for good! The 500ml Ultra Flask is perfect for risk-takers and adventurers. With an auto-sealing high flow phaser bite valve and a twist-locking cap, you can stash it in your waist pack without worrying about spills. The large 42mm cap makes refilling at race aid stations a breeze, while the soft and flexible design conforms to any pocket shape. Made of durable, abrasion resistant TPU, this flask is easy to clean and can hold both hot and cold liquids. Don't settle for anything less - go for the ultimate running soft flask, the 0.5L Ultra Flask!