Nova Cool-Dry Sun Protective Golf Sleeves, SPF 50 UV, White SPF 50+ UV fabric to protect against UV rays Moisture and Drying Sensor Fabric to remove moisture away helping you keep dry. Air Circulation and Temperature Control to let you feel cool in hot weather. Antibacterial agent All Way Stretch material to fit your arm at all directions. Ultra Light, provides protection without interfering with your golf swing. Fabric: Cool-Dry UV 90% polyester /10% spandex. Length 15" (38cm); Arm size (circumference): 10" (26cm); Cuff size (circumference): 8" (20cm). One size fit all. Quantity: 2. Color in off-white