UPPER/MATERIAL:,TECHNOMICRO,LINED:LINED WITH AIR TEFLON MESH,SOLE:,RUBBER TOP SOLE,TECNOLOGY:,REPLACEABLE SHIN PLATE AND SLIDER,ZIPPER ELASTIC PANEL,REPLACEABLE ST10 BUCKLE AND ST10 STRAP,ST10 BUCKLE AND STRAP ADJUST THE LEG CIRCUMFERENCE,ANKLE SUPPORT BRACES WITH ANKLE JOINT,SIDE AND SLIDER AIR VENTILATION SYSTEM,SHOCK ABSORBING HEEL CUP,NYLON INNER SOLE WITH REMOVABLE ARCH SUPPORT,ALL PARTS OF THE BOOT CAN BE REPLACED