The fox launch kneeshin guard provide an additional level of protection that39s perfect for tough rides features fox39s patented x up strapping system which locks in on both sides of your knee preventing any twisting or slipping ribbed hard shell kneecaps and asymmetrical hard shell shin plates provide impact protection so safety will be the last worry on your mind when yoursquore bombing down the trails these fox launch kneeshin guards provide maximum comfort and breat