UPPER/MATERIAL: TECHNOMICRO MICROFIBRE LINED: LINED WITH CAMBRELLE AND AIR TEFLON MESH SOLE: SRS DOVETAIL SOLE WITH THE INNOVATIVE AND PATENTED INTERLOCKING SYSTEM. SRS SOLE CAN BE REPLACED USING A STANDARD SCREWDRIVER TECHNOLOGY: - TECHNOMICRO MICROFIBER UPPER AND PU PROTECTIONS - LINED WITH AIR TEFLON MESH AND CAMBRELLE - MICRO ADJUSTABLE AND REPLACEABLE BUCKLE SYSTEM - TOE ENTIRELY WRAPPED IN PLASTIC PROTECTION WITH GEOMETRIC DESIGN - REPLACEABLE METATARSUS PROTECTION - ANATOMICALLY SHAPED PU HEEL - 3 HYPEREXTENSION SYSTEMS (IN THE FRONT, IN THE BACK OF THE BOOT AND UNDER THE ANKLE) - PU BOOTLEG ON THE BACK - INNER PU BOOTLEG - ANATOMICALLY SHAPED PU SHIN PLATE - 3-BUCKLES CLOSURE - UPPER VELCRO CLOSURE - ELASTIC GAITER - REPLACEABLE SRS SOLE