● Protect your arms & Hands against UV Rays ● Good Air Circulation to let you feel COOL in hot weather ● Perfect for outdoor sports and activities like Cycling, Fishing, Driving, Baseball, Climbing, Golf and etc.. ● Stretchy, Excellent Cooling effect ● Material: Polyurethane, Nylon, Spandex ● Cool Wash and Flat Dry, Fast Dry Material ● Measurement: Approximate Length 16" - By Wrist ● Size: OS - one size firs most (No recommendation for Men's Arm size XL or Bigger) ● Recommend: 9"~12" for Bicep Circumference, 6"~8.5" for Wrist Circumference ● Net weight: 1 oz / pair