This large sized Thermoskin Thermal Knee Support has an ergonomic design which compresses, supports and insulates the knee without restricting movement.Manufactured from a lightweight, breathable fabric, this knee support allows ventilation whilst also ensuring a firm, comfortable fit. The thermal fabric massively increases heat retention and also 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 large sized Thermoskin Thermal Knee Support which is designed to fit knees with a circumference of 365mm - 395mm (14.25\" - 15.5\"); five other sizes are also available in this section of the website.