Flexible, hand-layered seamless boot shell. Shells are triple-dipped in liquid Neoprene latex for extra tough, extra watertight protection against acids, corrosives and contaminants. Immersed in a special sealant for the XTRATUF "total protection shield". Smooth, tough fabric linings for easy on and off. Cork-cushioned insoles for lightweight shock absorption and comfort. Slip-resistant Chevron outsoles with flat, surface-to-surface treads for sure-gripping traction on hard, slick footing.