The SG-10 is a Premium boot the kind of boot that real racers wear. Dual composite rubber soles lightweight alloy replaceable buckle system exclusive GAERNE “Grip Guard” floating “Razorback” with a built in ankle alignment system supercross shank as well as a heel bumper and memory cell PU inner foam liner that completes the construction for an unforgettable fit. Compare the features and you will see why GAERNE is leading the way!