The oakley xs mx frame goggles are designed for the younger riders that want the same thrill seeking rides and need the correct eye protection to do so the xs mx frame goggles features the same top quality design as the original mx frame39s but just in a smaller package so riders with a samller head or younger riders can enjoy the same benefits as the fully fleged mx frames the cycling goggles uses a urethane frame construction that offers flexibility even in the most extreme cold wea