Kuangmi Ultra-thin Knee Compression Sleeve Leg Thigh Calf UV Sun Protection Function:Provide support that aids in the relief of leg pain and sore muscle,reduce soreness,cramping,abrasions,fatigue in leg,increasing blood circulation throughout legs,leg muscle stay warm,temperature regulation properties help retain heat to soothe muscles and wick moisture Feature:Lightweight/Breathable/comfortable/Softness/Flexibility/Durability/High performance fabric keeps an optimal joint temperature/Non-Slip Inner Silicone Strip Suitable sports:Basketball,Baseball,Softball,Tennis,Volleyball,Softball,Cycling,Weightlifting,Running,Jogger etc. Size:M:12.6"~15",L:15"~17.3",XL:17.3"~19.7",XXL:19.7"~21.6"(Measure 8 inches above kneecap) Tip:The item be shipped by kuangmi sport it usually takes 5-25 days on the way,please wait patiently,thank you! Material:Silk,Nylon,Spandex,Non-slip Package:Singe pack(1 PC)