The Fireball jacket uses super breathable CLO VIVO EXTREME ECO synthetic insulation, a unique Clo fiber construction with the Vivo concept maximizing breathability and thermal comfort while being environmentally sustainable. The fibres regulate body temperature and the FEATHERLITE™ Air stretch outer material with DWR water repellent treatment easily resists more than just rain. Ideal insulation for layering clothing and/or as an outer layer for active movement to keep you warm and comfortable while exercising in cold conditions. Insulated hood, can also be worn under a climbing helmet. Ergonomically sewn sleeves for freedom of movement. 2 hand pockets with YKK zippers, 1 chest pocket. Minimalist sleeve cuffs with elasticated ends. Adjustable hem.