The Stretch Gravity Jacket provides maximum waterproof/breathable protection for looming mountain weather. And to enhance your natural, rhythmic motion with poles or ice tools, it has stretch panels in the back, shoulders and sleeves, Y-Joint sleeve construction and an anatomical fit. Wat erresistant pocket and pit zippers eliminate bulky storm flaps. Bomber construction includes reinforced shoulders, waist, elbows and rear. The Optipull hood adjusts with one hand and fits over a helmet to provide total weather protection. Imported.