On Running Unisex Ultra Vest With Hydration Flasks - 10L

The On Running Unisex Ultra Vest is designed for long-distance running, offering a 10-liter capacity with a built-in hydration system and removable dry pack.

Developed with On’s elite trail athletes, it features a lightweight, breathable mesh material for a snug, secure fit. The patent-pending closure system and adjustable hem eliminate bottle bounce for a smooth, comfortable run. 

It includes two BPA-free Hydrapak flasks, a 5L removable dry pack, space for a hydration bladder, and modular loops for poles or a quiver bag.