Otafuku Gloves Winter Inner Long Sleeve High Neck JW-170 Black M Thermal Insulation, Sweat-Absorbing and Quick-Drying Compression for Men For Autumn and Winter Far-infrared processing and fine micro-fleece for thermal insulation Uses sweat-absorbing and quick-drying fabric Compression function that fits the body UV reduction Lightweight and easy to move in, extremely high thermal insulation strongly supports winter work. Uses fine micro-fleece (raised fabric) with a good feel and high thermal insulation. It fits snugly against the skin without bunching, so the appropriate pressure supports the body.