Notched laces offer a secure but soft lace-up

a snappy and responsive Zoom Air unit in the heel helps you spring from one step to the next

Designed in collaboration with On athletes

It's made for speed using the latest innovations to deliver optimal performance and distraction-free coverage

Scrutinised with a focus on fit

Ultimate Direction Ultra Vest 12L Type_Stability Notched laces offer a secureFeatures A new universal and dynamic fit that wraps completely around the torso for a more secure vest like fit Soft recycled monomesh liner is lightweight, breathable, and strong for next to skin comfort Includes 2 HydraPak Body Bottle 500's with bungee loop bottle holders to keep bottles up and in place as you drink Added air mesh panels behind bottle pockets offer extra comfort and chafe protection as the miles tick by 2 large zippered ripstop