Specification Material: 85% Nylon, 15% Spandex Package included: 3Pairs compression socks 85% Nylon, 15% Spandex 【Plus Size Open Toe socks】-These wide calf toeless compression socks is ready and perfect for men & women, who wears in exlarge or plus size,that are supportive for plus size calves. More comfortable than normal size compression socks, these big and tall calf compression socks bring you strong leg support and long lasting graduated compression, as well as ultra comfortable wear of lightweight and breathable. These large compression socks keep your muscles warm and support all day. 【MORE SIZE CHOICE】- Plus size toeless compression(S-4XL) for ankle up to 15 inches, calf 18 to 28 inches’ circumference, you can refer to the size chart to choose the suitable size (and in general we suggest you choose the larger size if you are hesitating between two sizes). Our knee-high compression socks have nice and snuggly support without being too tight and enhance blood circulation effectively. 【COMPRESSION BENEFITS 】– Our graduation compression technology (15-20mmHg) provides the ideal compression to provide the maximum boost to your blood circulation.They have different pressure gradients from bottom to top to ensure smooth flow of blood vessels from the distal end to the proximal end. Better oxygen circulation provided by our compression socks helps reduce lactic acid build up , ensure faster restore, relieve varicose veins or swelling . 【QUALITY & COMFORT】- Breathable high performance fabric keeps an optimal temperature. Breathable fabric wicks moisture away from your skin to ensure you feel fresh and comfortable. They fit closely from your toe to knee, energize your skin. Comfortable wide top band prevents rolling, delivers 360-degree stretch for greater flexibility and durability.These compression socks can prevent cramping, fatigue, swelling and helps in muscle recovery, varicose veins and diabetic.