Rocky Men's 11 Rubber sole Shaft measures approximately 11 from arch 8-Layer Rocky Ride Comfort System.Long Lasting Leather Upper Durable Goodyear 3-D Welt Construction.EVA mid-sole-More cushioning,flexible Steel Toe Protection. Electronic Hazard Standard Guaranteed ROCKY Waterproof. Steel Shank provides stability Rocky Ride Removable Dual-Density Polyurethane Footbed with Heel Stabilizer for added comfort and Stability