Bauerfeind GenuTrain S - Compression brace with rigid stays for increased stabilization of the knee joint. Orthopedic knee brace in excellent condition. Worn 5 times. Size 7 for left knee (please see size chart). For sale following knee surgery. Retails at Rebalance and online for $400 The Bauerfeind GenuTrain S brace is a medical grade compression sleeve with hinged sides to help support knee instability. The compression sleeve, ringshaped pressure cushion and side bars add support to the knee while stimulating blood flow to reduce pain and swelling. With a breathable microfiber knit and anatomically contoured side bars, this brace is comfortable and easy to use for extended periods of time.