Full grain leather pull-up boot Size : 3 - 13 SOLE CONSTRUCTION Dual density polyurethane (PU) sole with softer midsole to cushion shock impact (SRC Outsole) Lightweight & slip resistant PU sole Sole resistant to oils and acids/alkalis Antistatic UPPER CONSTRUCTION Printed Leather Upper Breathable non-woven fabric lining Antistatic insole board Scuff cap for toe bumper protection Extra Wide 5-toe toecap provides maximum comfort for your toes 200 Joules steel toe cap for impact and compression resistance Pierce resistant 1100N steel mid-sole insert PUshion Insole : Extra thick full length fabric-lined PU foam insole with shock absorption, anti-bacterial and anti-static properties. PUshion remains spongy and last longer ensuring long lasting comfort