Ultraflask Speed 500Ml Color:Clear/HP Blue packed down to the size

packed down to the size of your favorite water bottle

Its smooth Birko-Flor upper creates an instant color contrast against its stacked sole

goes-with-everything tank

We use a TPU outsole for durability plus an SPS Max Comfort system for shock absorption ensuring these boots can go the distance

Ultraflask Speed 500Ml Color:Clear/HP Blue packed down to the sizeThe perfect balance of sleek and stable, our signature UltraFlask has a wider form and a durable 3D welded bottom. Soft and pliable material means you can fit it in most pack and larger vest pockets for a snug and secure fit. Topped with our SpeedFill Cap for quick refills.