102315 - M Yukon Quilted Base Layer Bottom Mother Nature’s worst brings out Carhartt’s best: the toughest, most durable gear. When the thermometer gives up, turn to the Yukon. Built for the most extreme cold weather, this breathable, quilted base layer keeps you warm and allows other layers to slide over with ease. 1.75-ounce, 100% nylon taffeta shell and lining • 80gm polyester insulation • Full elastic waist with drawcord adjustment on interior • Zipper fly opening with snap closure at waist • Full elastic leg opening for ease of fit and layering • Tripe-stitched main seams for durability