This anatomically designed 3-piece Thermoskin Thermal Knee Support provides highly effective compression, support and warmth to the knee without restricting natural movement.Made from lightweight, breathable fabric allows free ventilation and ensures a firm, comfortable fit for the user. The thermal fabric massively increases heat retention and promotes faster healing. This firm support is ideal for the protection and support against general wear and tear including sprains, strains and weakened knees. This is medium size Thermoskin Thermal Knee Support designed to fit a knee circumference of 335mm - 365mm (13.25\" - 14.25\"); five other sizes are also available in this section of the website.