Unisex Deuter Traick 5 Size:S fully breathable construction won't trap Color:That Orange Crush Rush fully breathable construction won't trap sweat the skirt features half way zipper at one side and full length 2 way zipper at the other for easy on and off as well as for quick adjustment of mobility when changing from classic skiing to skating and vice versa A bungee sternum strap system allows for precision adjustment to the tension and full breathing comfort at all levels of intensity The garment like fit and special breathable stretch fabric of this bluesign® accredited running hydration vest result in a snug fit with zero bounce