Product Description1.Pads for Protection. Thickened EVA pads,One Sleeve included elbow padded and forearm padded,The Comfortable padding on an arm sleeve reduces the risk of injury during hard hits or tackles to the ground.2.Helping Protect your skin. Helps protect your arm against sunburn, suprer soft material keeps skin breathable moisture wicking and keep you cool.3.Sun Protection and Temperature Regulation. UPF30+, Block 98% of UVA and UVB rays.Outdoors Sports like Runners, bikers, golfers, and other athletes who spend hours in the sun can benefit from the UV protection that arm sleeves provide. It can reduce the risk of significant sunburns and UV exposure.Winter windproof and warm, summer sun protection4.Helping Improve blood circulation. The Compression arms sleeves benefits to improve blood circulation and prevent swelling.Keep the good performance for althletes. This provides relief to troublesome joints and tendons. Most althletes have some amount of soreness in their arm, so a compression arm sleeve is a welcomed addition to the gear. The sleeves are moderately comfy and provide warmth and maximum muscular support which increases your performance5.Helping Reduce muscles recovery time. The arm sleeve to relieve the pain and recover faster from many injuries, especially high-intensity exercise's elbow. The sleeve provides compression to increase circulation, reduce inflammation, and support the joint. The material is light and breathable so it stays cool, dry, and comfortable all day long.6.Helping relieve pain from muscle and Preventing muscle soreness. The arm sleeves help keep muscles and bones close-fitting and prevent elbow stiffness many times. wearing arm sleeves undeniably reduced the soreness extent.7.PERFECT FOR MOST ACTIVITIES. Basketball,Baseball,Volleyball,Tennis,Running,Soccer,Wrestling,Cycling,Football,Golf,Hiking,Skating,,Crossfit,Weightlifting,Powerlifting and most of activities8. Size Chart. Small: Bicep 8"-9.5" / Medium: Bicep 9"-11" / Large: Bicep 10"-12.5" / X-Large: Bicep 11"-13.5" / XX-Large: Bicep 12"-14.5" (Suitable for youth and Adult. please check your bicep and choose the correct size)