FIRM - (20-30) Compression:- Jobst® ActiveWear is effective leg therapy in an energizing athletic sock, ideal for various activities, from walking to playing sports. Size, Color, Catalog # S Cool White 110489, S Black 110493, M Cool White 110490, M Black 110494, L Cool White 110491, L Black 110495, XL Cool White 110492, XL Black 110496. This product is Latex free. Fiber Content:- 60% Polyester, 20% Nylon, 11% Cotton, 9% Spandex/Elathan. Care Instructions:- Machine washable in lukewarm water. Tumble dry in low heat. Do not bleach, dry clean or iron.