Chemical and liquid resistant leather upper with PVC reinforcement for excellent protection from oils and minerals. Heavy duty Kevlar stitching on critical seams for extra reinforcement and longer life. Lace-in quick release zipper closure. NANOlite and COMFORTcushion technology enhance comfort and reduce leg fatigue. NATUREform steel toe cap has a wider profile and latex cushion liner to ensure toes are comfortable and not in direct contact with the cap. PORON® XRD™ metatarsal guard is soft and flexible for outstanding comfort, but hardens upon impact for top-rated protection.