INBIKE Compression Arm Sleeves, Unisex Summer Anti UV Sun Protection Arm Coolers High elastic fabric to protect muscle better. 88% Nylon &12% Spandex, Promotes faster muscle recovery and blood circulation, muscle feel more comfort when sports. Excellent performance fabric rich in breathability,moisture absorption, UV protection and soft to skin. Anti-slip hem-3cm design to keep the compression arm sleeves fix arms comfortablely and prevent it from sliding down. Ventilative mesh patch-seamless kniting inside, sweat permeable and keep arms dry. Reflective Logo. Reflective brand INBIKE Logo printed,increase visibility while night activity.