Rocky Men's RKK0157 Construction Boot 100% Leather and Textile Imported Rubber sole Shaft measures approximately 5.5" from arch Platform measures approximately 0.75 inches Boot opening measures approximately 10" around Oiled Full-Grain Leather Guaranteed Rocky Waterproof Construction Triple-Stitched In High Wear Areas Moisture-Wicking Lining Direct Attached Construction Bonds Upper To Sole & Resists Chemical Breakdown