Muck Boots Wellie Classic Composite Toe Men's Leather Work Boot, Wide Width Rubber sole Shaft measures approximately 10.5" from arch Boot opening measures approximately 11" around 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; wide 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