On Running Ultra Vest Pro (All Gender) Size:M (38-40") Specifically designed for the long-haul

Specifically designed for the long-haul

Fresh Foam X midsole foam with approximately 3% bio-based content delivers our most cushioned Fresh Foam experience for incredible comfort

Medium 38"-43"

Everyday runs

the high-neck design helps shield your neck from the wind

On Running Ultra Vest Pro (All Gender) Size:M (38-40") Specifically designed for the long-haulThe next generation of On Running's pinnacle trail running vest. Includes two 500 ml Hydrapak flasks for hydration on the move. Key features: Weight: 300g Two 500 ml Hydrapak flasks included Safety whistle Innovative closure system for no budge performance Large side pockets for essentials Removable seam taped dry pack with water resistant zipper Front zip pocket for easy access Back zip pocket for added storage space