TROY LEE DESIGNS KNEE GUARDS Troy Lee Designs Knee Guards are all researched, designed & meticulously tested before they make their way on to the hands of great athletes around the world. Our acute attention to detail paired with a fearless sense of style & design make for a superior quality product. Construction & levels of protection, there is a perfect fit for adults & youths. A polycarbonate plastic sewn to a ventilated foam offer a highly breathable & quality protection for riders. This is another quality product developed by the team down at Troy Lee Designs.