Activa Women's Ribbed Dress Socks 20-30 mmHg are designed for women using soft cotton-like microfiber that wicks moisture away to keep you dry. Constructed from a blend of soft nylon and spandex fabric, these Activa Ribbed Dress Socks from Jobst feature a comfortable, turned welt leg band that will not dig into your skin. The addition of a non-binding comfort balloon toe helps keep your toes comfortable through a long day. The ribbed pattern of the Activa Women's Graduated Therapy Microfiber Dress Socks are suitable for both dress and casual wear. Activa Women's Ribbed Dress Socks are Compression Socks designed to improve leg circulation. The mild compression range of 20 to 30 mmHg treats leg fatigue, ankle and foot swelling, mild spider veins venous insufficiency, and varicose veins. The ribbed style of the Activa Women's Dress Socks give these socks a fashionable look that is discreet. A balloon, padded comfort toe and a non-binding top band are supplied for greater comfort. Activa 20-30 mmHg Mild Support Ribbed Women's Dress Socks are sold in pairs and are available in the following colors: Black, Navy, Tan and White. Activa Women's Ribbed Dress Socks 20-30 mmHg Compression Socks have the following size options: Small fits women's shoe size 7 or smaller; Medium fits women's shoe size 7 1/2 - 10; Large fits women's shoe size 10 1/2 - 12; X-Large fits women's shoe size 12 1/2 or larger. Activa Women's Ribbed Dress 20-30 mmHg Compression Socks are latex free.