Dr. Martens: Women's Steel Toe Flux Zone ST Zipper Chelsea Work Boot Black (#12780001) Size 10 US ASTM F2413 protective toe classification ASTM F2413 static-dissipative standard Cosmo™ moisture-wicking lining Welted Z-Stitch Construction ANSI/ASTM I75 & C75 Approved Flux Zone Steel Toe Side-Zipper Chelsea Work Boot Full-Grain Leather, Padded Ankle Collar, Double Stitched Upper Material - Industrial Bear is a Heavy Milled Oiled Full Grain Leather and Suede Industrial Strength Zipper Moisture-Wicking Lining Removable Insole Standard Wood Shank Slip - Oil - Fat - Petrol - Alkali Resistant and Shock Absorbing Outsole FLS - Patented Dual Density Air-Cushioned Sole Stitch Welted Construction Static Dissipative Color - Black