Boot Height: Approx. 6'' Tall . Set a new level of excellence in the Silverton boot from Caterpillar. The nylon mesh lining provides breathable comfort against the foot. Polyurethane absorbs the impact from every step to maintain comfort. Full grain leather resists wear and abrasion to maximize lifespan. The slip resistant rubber outsole provides perseverance to every assignment. Full grain leather upper. Polyurethane midsole. Mesh lining. Slip-resistant rubber outsole.