The Carolina Composite Toe logger boot has an upper of Brown Crazy Horse leather with a comfortable mesh lining. Underneath is the Carolina waterproof ScubaLinerTM to protect you from the elements. This boot has a non-metallic, composite safety toe cap and 600 Grams of ThinsulateTM insulation. It also has an electrical hazard rating, triple-rib steel shank and has a rugged Welt construction.