Oliver Wheat Lace Up Metatarsal Guard Boot 55 336 Safetyboots The system uses PORON ® Exceptional energy return The system uses PORON ® as an energy absorbing insole under the foot to give the wearer superior comfort and offers similar shock absorbency and comfort to sports footwear Thick reinforced back strap with leather boot loop Features include lightweight sole with self cleaning tread profile Features include Water resistant leather Oliver COOLstep® lining to absorb moisture and odour for optimum freshness and hygiene Lace locking fixture Kevlar® thread on critical wear seams for maximum abrasion and chemical resistance COMFORTcushion® Impact Absorption System uses a combination of cellular urethane and PORON® Oliver SOFTstride® open cell low density urethane foam for comfort and contour Shock absorbing Polyurethane midsole support NATUREform® Type 1 Toe Cap