This soft layer is made of lightweight, deep-pile Polartec® Thermal Pro® polyester fleece (51% recycled) with extra-long fibers that retain warmth without bulk. Details include a classic Snap-T® chest pocket with a nylon flap, a stand-up collar with doubled fleece, nylon-reinforced placket with four hidden snaps, a toasty-warm side-entry kangaroo pocket, brushed-polyester microfleece trim on cuffs and hem and feminine seaming.