The Vulkan Advanced Elastic Knee Support is built with Nano Flextra technology that helps the bodies natural healing process to provide extra warmth and comfort to injured muscles. Provides superior support and compression to the joint to control and limit swelling, Easily worn under clothing for daily prevention and protection with an Antibacterial material ensures support stays odour free. Provides comfort to the knee muscles and tendons whilst retaining heat and increasing circulation. Colour: Black Material: Polyester, Elastane Code: 3110