Outdoor Research Women's PL400 Mitts 95% Polyester/ 5% Spandex/ 100% Polyester Imported 300-weight smooth fleece exterior and 100-weight fleece interior for superior warmth. MirrorSeam double-layer fleece construction with hidden seams. MotionWrap construction for minimal seams. Silicone prints on back of hand and palm provide solid grip, added weather protection and abrasion resistance. Contoured wrist construction for more secure, snug fit. Avg. wt. 2.5 oz. MirrorSeam double-layer fleece construction with hidden seams. MotionWrap construction for minimal seams. Silicone prints on back of hand and palm provide solid grip, added weather protection and abrasion resistance. Contoured wrist construction for more secure, snug fit.