Style 917 Black premium water resistant leather upper, lace up metatarsal safety boot. PORONXRD metatarsal guard-extreme impact protection. Non-metallic Penetration resistant insole. Shock Zone polyether PU footbed featuring channelled air flow system and cushion lining. Full Kevlar Stitching. Polyurethane midsole, rubber outsole. – heat resistant to 572oF – excellent slip and cut resistance Broad fitting 200 joule impact resistant Type 1 steel toe cap. Moulded TPU heel and toe protection. Padded leather tongue and collar. PORONXRD Metatarsal Guard PORONXRD metatarsal guard-extreme impact protection that absorbs up to 90% of energy when impacted at high strain rates. Moulded design offers flexible, contouring, light-weight protection allowing the foot to bend and flex freely. Channels created by the unique design help to allow air and moisture to move freely -increasing breathability.