Our endless summer essential now with highly evolved breathability for hiking or biking the trails. A lattice-like overlay of Dura leather strapping supports and protects while enhancing the open-window venting of the breathable mesh upper that is a Merrell mark. Full bumper protection at the toe and around the heel. Proven Vibram Multi-Sport sole combines Trek and Super Trek rubber compounds for grip and durability. Slip lasted construction. Dura leather/breathable Ventilator mesh upper. Breathable mesh lining. Synthetic leather toe bumper/heel counter. Breathable Ventilator bellows tongue. 7.5mm narrow gauge webbing. 4.5mm anatomical footbed. Nylon 6.6 injection molded arch shank. Compression molded EVA footframe. Q-Form alignment system. Air Cushion midsole. 5mm sole lug depth. Vibram Multi-Sport sole/trek & Super Trek rubber.