CLASSIC + GRITTY + FEARLESS The ROCKYY knee boot features the wide profile of an engineer boot with harness and buckle hardware adding an industrial edge and giving the design an adjustable fit. Block heel engineer boot Slip-on style Top gore with 4 adjustable buckle straps Leather upper material Synthetic lining Synthetic sock Synthetic sole 2 inch heel height 0.5 inch platform 14.5 shaft circumference 12.25 shaft height Imported