Heel measures approximately 6 inches; Fully waterproof and breathable in optimal 6 inch tall height; Lightweight, durable Nylon upper with synthetic leather overlays; NOTE - This boot runs 1/2 size small, order 1/2 larger than your normal size; Based on the popular Johnny Combat OPS boot it has a reinforced toe box with durable rubber heel and toe overlays; High grip Strife warfighter bottom unit with cushioning provided by high rebound EVA foam midsole; 10mm heel to toe drop and high-volume forefoot for long duty comfort; U.S. veteran designed & developed with 1-year workmanship & materials warranty