NuBrace Active Knee Brace V2 in Medium, designed to provide active support and stabilization during everyday movement, sports, and physical activity. It features two aluminum hinges and spring assistance, with a pair of yellow springs installed and a pair of red replacement springs included. Made with neoprene and steel springs, it has adjustable straps and height adjustment for a more adaptable fit. Includes one carry bag. Suitable for adults and designed for unisex use.