SUPERIOR PRODUCT & SERVICE - we cut no corners in our product and will cut no corners in providing top-notch service to you. UNISEX - perfect for men and women and can be worn on left or right arm while playing tennis, golf, basketball, baseball, volleyball. LIGHTWEIGHT & BREATHABLE - non-slip, thin and comfortable to wear over or under your clothes, this compression elbow sleeve maintains joint stability while avoiding the itchiness of neoprene supports. It applies even pressure across your elbow joint and helps with arthritis, tendonitis, tennis elbow, golf elbow and other elbow pains or injuries. ERGONOMIC FIT & MACHINE WASHABLE - 55% nylon, 22% elastodiene, 22% polyester and 1% elastane - designed to fit different joint sizes, washes well, won't stretch after a few wears & does not cut off oxygenated blood circulation. IMMEDIATE SUPPORT & FAST PAIN RELIEF - this elbow brace keeps your joints warm, instantly relieves pain, swelling, soreness, joint stiffness & inflammation.