Activa Sheer Therapy Women's Trouser Compression Socks 15-20 mmHg are Compression Stockings used to increase leg and foot circulation. Manufactured by Jobst with a fabric blend of Nylon and Spandex, these latex free Trouser Compression Socks are designed to provide therapeutic compression to treat leg swelling and aching legs. Jobst Sheer Therapy Trouser Socks are Compression Stockings used for treating symptoms of deep vein thrombosis, lymphedema, chronic venous insufficiency, and varicose veins. Jobst Women's Sheer Therapy Trouser Socks provide a gradient compression range of 15 to 20 mmHg. The soft fabric of these Jobst Trouser Compression Socks will keep your feet dry and comfortable. The discreet, fashionable cross-hatch design of these Sheer Therapy 15-20 mmHg Compression Therapy Socks will encourage you to wear them daily. These Cross-Hatch Pattern (Argyle Style) Trouser Compression Socks are constructed with soft microfiber fabric with a balloon toe and heel pocket and turned welt, non-binding top band to hold the sock in place without digging into the skin. Activa Sheer Therapy 15-20 mmHg Compression Support Cross-Hatch Pattern Women's Dress Socks are available in black, tan or navy and are sold in pairs. Sizing for these Women's Trouser Socks is based on shoe size: Small fits women's shoe size 5 or smaller; Medium fits women's shoe size 5 1/2 - 7 1/2; Large fits women's shoe size 8 - 10 1/2; X-Large fits women's shoe size 11 or larger).