Utimes Compression Arm Sleeves with Thumb Holes Sports Armlet Hand cover for UV Protection Sun Screen Cooling Cycling Basketball Running Hiking Golf Volleyball Outdoor Sports (5 Pairs in 5 Colors) Thumb holes for secure fit means no frequent sliding and curling, Seamless construction, Ultimate UV BLOCK 99.8% Protection, Contoured rib for improved fit Material : 88% cotton fibers, 20% spandex / High Performance Fabric: Fast Sweat Kick-away & Fast Dry / Special moisture-radiating material Best for Cycling, Running, Jogging, Hiking, Basketball, Baseball, Tennis, Golf, Football, Driving, Fishing, Climbing, Indoor workplaces(You arms won't sticky on your desk) Size : These compression arm sleeves are perfectly sized for men and women - Unisex & One size- Extremely Elastic Material Hand Wash separately, No Bleach or Detergent, No Squeeze, Dry in Shade