The FENTO ORIGINAL is our best-selling product. It naturally offers the ergonomics you expect of us: the Ergonomic Wedge ensures the correct distribution of pressure across the lower leg which prevents knee and back complaints.Improved fit which takes on the shape of your own knee after a while and thus offers even greater comfort flexibility and ergonomicsExceptionally wear-resistant and has a broad flat surface for extra stabilityReplaceable inlay for when it needs to be replacedCompletely water repellentWide elastic straps do not pinch behind the knee