Extra stability to keep the knee in proper position. The GenuTrain S knee brace provides reliable support for the knee thanks to the combination of joint side bars and an adjustable strap system. Bauerfeind's GenuTrain S knee brace has an extra level of support using side bars and a knee cap insert to guide the knee's movement while keeping the area stable. The knee is stabilized but your mobility is not affected. Soft knit fabric - breathable knit is comfortable to wear and keeps moisture away from the body. Viscoelastic pads - with a massage effect during movement. Three-dimensional fabric - automatically conforms to the body's natural shape for ideal fit and optimal joint stabilization. Material: Knit Fabric, Viscoelastic.