Arm Cooler is the perfect accessory for summer training, racing and recovery. Its compression fit reduces damaging muscle vibrations, minimizing muscle fatigue and soreness. It makes you feel cool in hot weather when you do summer activities. Try this when you drive, it helps to protect your skin and feel cooler than bear skin. It is a special moisture-radiating material that actually offers cooling effect. 1. Unisex and One size-Extremely Elastic Material2. Ultimate UV Protection: UV-R, UV-A, UV-B BLOCK 99.8-Percent. 3. Protect your arms from Aging, Sun-burn more than Arm-Cooling 4. High Performance Fabric: Fast Sweat Kick-away and Fast Dry. 5. Special moisture-radiating material 6. Three-Dimensional (3D) Weaving Design to make more comfortable than others 7. Seamless Design without sewing line 8. Non Slip Elastic Bands on Top and Bottom 9. for Cycling, Fishing, Golf, Drive, Jogging, Claiming and all other outside activities 10. Suitable for Indoor Activites too, even your workplaces (You arms won’t sticky on your desk)