Design: Durango® X-Pand System™ hidden gore expansion for universal fit and easy on/off Durable and rigid nailed ABS heel Genuine leather welt with double row cotton stitch Littleway shank stitch for ultimate durability Leather underlay in pull straps Square toe with 1 ½“ rocker heel Patented Dually Shank System™ adds support and stability In-Shoe Comfort: Durango® X-Treme Comfort Footbed™ with rigid rear foot stabilizer provides long lasting comfort Soft mesh lining for comfort and breathability Durability & Traction: Slip, oil and abrasion resistant rubber outsole for sure-footed traction Genuine Goodyear® welt construction for long-lasting durability Warranty: All Rocky® products have a one-year limited warranty in normal use, against any manufacturing flaw(s), defective materials or workmanship. This warranty also covers GORE-TEX® bootie liners against leakage for one year. Products with all other waterproof construction are guaranteed waterproof for six months from the date of purchase.