DESIGN: Square toe Rolled shank area Full-grain leather 1/4" Rocker heel Genuine leather welt with double row cotton stitch The Durango(R) X-Pand System(TM) is a hidden gore expansion for a universal fit and easy on/off IN-SHOE COMFORT: Cushion flex insole with rigid rear foot stabilizer The Dually Shank System(TM) is comprised of two fiberglass shanks that help with twice the torsion stability and midfoot support Air mesh material with perforation to promote maximum air circulation The Durango(R) X-treme Comfort Footbed(TM) with memory foam has three times the flexibility, cushioning, and support. This lightweight and durable silhouette provides extreme comfort by forming to the shape of your foot for immediate gratification DURABILITY & TRACTION: Built with an outsole design and materials that help provide slip-resistance and traction on various surfaces Durable and rigid nailed ABS heel Littleway shank stitch for ultimate durability 3/4 genuine Goodyear welt construction