Bogs Men's Ottowa Waterproof Boot 100% Leather Rubber sole Shaft measures approximately 10.5" from arch Heel measures approximately 1.25" Platform measures approximately 0.50" Boot opening measures approximately 15" around Water-resistant nubuck upper Seam-sealed construction Leather-covered, dual-density EVA, OrthoLite footbed Unlined shaft with leather heel cushioning BioGrip slip-resistant, lugged rubber outsole