The Georgia Boot Farm and Ranch Wellington Work Boot is a durable pull-on boot optimized to resist chemicals and remain comfortable. This boot is made with Spr leather. Compared to traditional leather, it is roughly 3 times as strong and resists abrasions 2. 5 times as well. Spr leather also holds up better than conventional leather against common barnyard and job-site chemicals or acids. The sole of the men's work boot is a direct-attached, dual-density, oil-resistant polyurethane "Suspension Wedge" outsole. It resists chemicals, abrasions and oils, while remaining flexible and providing cushion for your feet. This boot also has a steel shank steel shanks provide support and protect the arches of your feet when you are using a shovel or climbing a ladder. A patented Comfort Core insole adds shock absorption in two key impact zones: the ball of the foot and the heel. It also features a layer of memory foam, so the insole is custom molded to your own foot.