Pigskin leather upper Double stretch gore for easy on and off Breathable mesh lining Kinetic Fit BASE removable contoured insole for flexible support Merrell Air Cushion in the heel absorbs shock and adds stability Lightweight EVA foam midsole for stability and comfort Merrell sticky rubber outsole tunes each outsole with durable traction that grips when and where you need it No Heel Leather material Synthetic sole material Jungle Moc Breathable,Lightweight