Ion High is a fully charged safety boot for work in cold climates. Open-cell PU foam insole and PU midsole give stability and comfort while the oil- and slip-resistant outsole provides great grip. LWG-certified leather upper with a recycled moisture-transporting lining and synthetic fur makes for extra warmth and durability in cold weather. YKK™ zipper makes for ease of stepping in and out. Fiberglass toe cap, soft nail protection, and ESD function according to EN IEC 61340-5-1:2016. Upper: Polyester and LWG genuine leather with oiled finish Lining: Synthetic fur and recycled polyester Outsole: Oil, heat and slip-resistant rubber Midsole: PU Footbed: Open-cell PU foam Function: YKK™ zipper Fit: Wide Sizes: 36-48 Safety standard: EN ISO 20345:2022 S3L, SR, HRO, FO, CI Protection: Fiberglass toe cap and soft nail protection