Merrell's Siren Traveller 3 shoe features a full grain leather upper and traditional lace closure, and its bellows tongue keeps out debris. With a breathable mesh lining and a Kinetic Fit™ BASE removable contoured insole that offers flexible support, this trail shoe also features Merrell's Air Cushion in the heel for shock absorption and stability. Lightweight EVA foam midsole and Vibram® TC5+ rubber sole ensure grip and protection even on wet surfaces.