O'Neal RSX Black/Red MX BootsO'Neal RSX Black Red MX Boots Really comfortable all round cross boots that work just as well on the cross track as they do deep inside the enduro forest! O'Neal RSX has an injection moulded plastic cover that protects the lower leg from knocks and blows. Replaceable and easy to use Snap Lock buckles give the boot an adjustable width as well as a good and safe fit. In the sole there is an infused metal plate that helps maintain the shape and protects