Timberland PRO Men's Mortar Pull-On CSA Composite-Toe Waterproof  Work and Hunt Boot 100% Textile Imported Rubber sole Shaft measures approximately 11.5" from arch Heel measures approximately 1.75" Platform measures approximately 1.0" Boot opening measures approximately 16" around Western-style work boot with waterproof ballistic nylon upper featuring Goodyear welt cast-bond construction Air-textured nylon tongue for added comfort with leather overlays for protection Padded top collar