Muck Boot Wellie Classic Composite Toe Men's Leather Work Boot, Medium Width Grain Leather Rubber sole Full grain Crazy Horse Leather ensures maximum weather-resistant toughness; 100% waterproof work boots The breathable Hydroguard membrane and Airmesh lining displace moisture effectively to keep cool in the summer and warm in the winter; Comfort rated from subfreezing to 65 F/18 C EVA midsole for lightweight support; tempered steel shank and Gel-Core sub-sole cushioning for comfort on unforgiving surfaces; additional Achilles support and tempered steel shank Rugged Super Grip rubber outsole provides traction on slick surfaces; medium width; composite safety toe for reliable impact protection; meets ASTM F2413-11 M I/75 C/75 EH Curved topline and stitching creates a distinct western style