Ships as a Pair. Jobst 20-30 mmHg Activewear Knee High Support Socks, providing effective leg therapy in energizing unisex athletic compression socks.• Dri-Release yarn, which looks and feels like cotton, help keep feet dry and comfortable • Non-constricting comfort band keeps socks up without binding or pinching• Reinforced heel resists abrasion and provides greater durability• Seamless toe and 360 degree cushioned foot increases comfort • Machine wash support socks in a mesh laundry bag or hand wash with warm water using a mild soap or detergent designed for compression stockings. Machine dry on low heat• Latex free, 60% polyester, 20% nylon, 11% cotton, 9% spandex20-30 mmHg (CCL 1) Firm Gradient Compression Indication Guide:Moderate to severe varicose veinsModerate leg & ankle swelling Relief from moderate edema / lymphedemaVaricose veins during pregnancyLeg swelling following surgeryFollowing sclerotherapyOrthostatic hypotensionPostural hypotensionHelps Prevent DVT (Deep Vein Thrombosis)Jobst Activewear 20-30 mmHg Knee High Compression SocksSizeCool WhiteCool BlackSmall110489110493Medium110490110494Large110491110495Extra Large110492110496Large - Full Calf110527110533Extra Large - Full Calf110528110534