Ultraflask Speed Flask 500ml Malibu Size:500ML it adapts to your foot

it adapts to your foot with every step

The Torch metal-cutting blades with the Double Duty Upgrade feature a tooth form optimized for the longest life and maximum durability

dirt and insects

kinking and splitting

Utility Walk Thru Panels feature a 4’ wide walk through gate with a vertical sliding gravity latch

Ultraflask Speed Flask 500ml Malibu Size:500ML it adapts to your footPart of our ultra light series, the 500 ml is so light, you might forget you brought it. Weighing in at just over an ounce, its optimal hydration, no matter what kind of runner you are. Its pliable material conforms to most pockets, it shrinks as you drink to minimize water movement and it can be used with or without the tube. Topped with a new feature, the SpeedFill cap, makes aid station refills a breeze. Ultra light weight, ultra useful.