Milwaukee Leather Men's 6" Classic Engineer Boot w/Climate Control Insole (Size 15) Full Grain Premium 2.2mm Cowhide Waterproof Leather Oil & Acid Resistant Outsole w/Non-Skid & Non-Marking Tread 2 Side Buckles w/Plain Toe Design, Welt Construction Side Buckle W/Milwaukee Signature Hardware Smart Mask Climate Control Insole w/ FlexPower Toe Design