Update your basics with these 30 denier opaque tights. Stylish footless design. Made with special Body Sensor technology to keep you warm when it's cool and cool when it's warm. M&S Collection: versatile styles in modern shapes with unique and playful details. Other info in pics. Body sensor with thermoregulatory properties. These XL semi opaque black tights can compensate like leggings as reviews indicate for work, leisure and sport. All original packaging flat packed sans unnecessary plastic with a free fabric storage pouch to keep your hosiery safe. Grab an item that’s not that easy to find with M&S.