The Chippewa Thunderstruck logger is a top-quality rugged boot made for serious work. The Uppers are durable, made with premium waterproof full grain leather and they have a T-Bar Cushioned Collar for extra comfort. Dri-Lex Military Spec Linings and Two-Tone Camo Plus 400gm Thinsulate Insulation makes this a must-have work boot for any jobsite. Soft Toe Electrical Hazard (EH) Rated Two-Tone Camo Plus 400gm Thinsulate Insulation Waterproof 10" Brunette Premium Waterproof Full Grain Leather T-Bar Cushion Collar Vibram Thunderstruck TC4 Plus Outsole Dri-Lex Military Spec Lining Ortholite® Removable Insert Insole Triple Ribbed Steel Shank Imported Chippewa Men's Thunderstruck Brown Waterproof Insulated Lace-Up Work Boots TH1032