Cooling Arm Sleeves Material:ice silk.keeps you cool in hotter temperatures. Stretchy & Breathable:sweat absorbent and breathable,lightweight Fabric making your arms dry, cooling and comfortable. UV Protection:protecting your skin from harm and disease caused by sunburn. Great for cycling,golf,running, fishing,climbing,hiking,basketball and other outdoor and indoor activities. Please Kindly check the size details in the description before place an order.