The 3D Thermo UltraLight Racing Hoodie is designed to take the greatest athletes and passionate sportsmen and women beyond the most extreme altitudes. This racing hoodie offers high thermal protection, extreme lightness, exceptional comfort. The 3D Thermo UltraLight Racing Hoodie provides just the right amount of protection. Your body remains at a constant temperature regardless of the outside temperature. Made of 3D thermo ultra-light fibers, the hood and the funnel neck protect your head, neck and nose from the cold air while remaining totally breathable and soft. Transpiration is evacuated immediately so you stay totally dry. Made of microfibres and seamless, this hoodie offers exceptional softness for a guaranteed peach skin feel without irritation.The 3D weaving on the back and on the forearms provides a slight muscle support. Ultra-thin and lightweight -135 grams- it fits easily into a pocket, belt or backpack. The 3D Thermo UltraLight Racing Hoodie meets the requirements of the mandatory equipment of the biggest trail running races.