mont-bell / Montbell Geoline Cool Mesh Arm Fit Shirt Men's Opened and tried on once. Underwear suitable for summer sun protection. Uses materials with different features for the body and sleeves. The body uses Geoline® Cool Mesh, which has excellent breathability and quick-drying properties, providing a refreshing feel even in hot weather. The sleeves have a high UV cut effect and use an extremely thin, stretchy material with no constricting feeling. When combined with short-sleeved T-shirts, it is effective in preventing unpleasant sweat stickiness. 【Material】Sleeves: 79% nylon + 21% polyurethane Body: Geoline® Cool Mesh [100% polyester] 【Average weight】87g 【Color】Black (BK) 【Size】M 【Features】Spiral Slantec® cuffs / Flat Seamer / Long tail design / UV cut (sleeves only) ⚠️Please be sure to check the profile before purchasing to prevent any problems. Innerwear Underwear Wear Climbing Mountaineering Outdoor Camping Sports Marathon Running Jogging Runner Club Gym Training Outdoor Crew neck Round neck Men's Black BLACK Mesh Airism North Face Goldwin High Function