One of our mischief-making Synchillas got through the fence once night and bred with a brainy, dashing technical wind barrier. The offspring is so clever and good-looking, we decided to take the fence down, Made of 9,7-oz, double-faced fleece with a built-in windproof/breathable P.E,F, \\" (performance enhancing film) barrier, these jackets can be worn as midlayer insulation or in lieu of an outer wind shell. Features common to both jackets: a wind flap behind the front zip, zippered handwarmer pockets and flat-sewn seams to minimize bulk, The men's jacket has an elastic drawcord hem and hidden spandex wrist cuffs to seal in body heat. The women's jacket has a shaped fit and contrast color seam taping, Made in USA.