Made for women's hands, these Outdoor Research PL 400 mittens insulate with double-layer fleece and also function as warm shell liners. Polyester fleece wicks moisture, dries quickly and insulates when wet. MirrorSeam?äó design combines 300-weight exterior fleece with 100-weight inner fleece to produce seamless 400-weight double layer protection. Silicon grip palm gives you sure hold on objects and prevents slippage when used inside a shell mitten. Elasticized wrist creates snug fit. Average weight per pair: 2.2 oz., size Medium.