With the Durango X-Treme A.C. ventilated shaft, breathable air mesh lining, and the Durango X-Pand System, these boots are designed for a great fit and easy wear. The X-Treme Comfort footbed with Memory Foam ensures comfort for long hours, while the fiberglass shank and molded EVA midsole add stability and flexibility. The slip and oil-resistant, dual-density rubber outsole is perfect for those who need a durable boot for both work and play, and the 1 ½" rocker heel with a square toe gives it that classic, rugged look