Pilates girlies unite - we have created the ultimate grip sock for you!Whether you're a reformer die-hard, or a mat pilates lover, these cute-as grip socks are the pair you have been looking for. Dimensions: Recommended for Women’s Sizes 6-10 AU. Material: 80% Cotton, 15% Polyester, 5% Spandex. Care Instructions: Cold hand wash or on a gentle cycle in a laundry bag.