Puma Borussia Dortmund 2017-18 Vent Thermo Stadium Jacket is lightweight, with WindCell technology to protect from the wind and elements. The Vent Thermo-R System offers ergonomically placed vents with dynamic thermo-regulation to open when you need to be cool and close when movement stops to keep you warm. Zipper garage and rubber grips inside the bottom hem and contrasting mesh panels. Keep warm with elastic sleeve cuffs and hem. Mesh lining in the shoulders and collar. Easy on and off with pull loop on the top zipper. Machine washable.