Autohome 2 Pairs UV Protective Cooling Arm Sleeve Best Protection for Sports Outdoors 2 Pairs/Set,with fingers holes,Material:high quality Polyester 95% Spandex 5% The UV cuff is also named as anti-UV sleeve,it can effectively avoid direct sun damage,skin lesions. Easy to wear on and off,breathable,it can be used for a long time. Best for Cycling, Running, Jogging, Hiking, Basketball, Baseball, Tennis, Golf, Football, Driving, Fishing, Climbing, Indoor workplaces Size : These compression arm sleeves are perfectly sized for men and women - Unisex & One size- Extremely Elastic Material