This hiking boot is designed to tackle rough terrain. Crafted from breathable mesh, it features a bellows tongue to keep debris out and the Merrell Omni-Fit™ lacing system to provide a precise, glove-like fit. Inside, a soft mesh lining ensures ventilation. The Unifly™ midsole works in conjunction with the Vibram® TC5+ outsole to deliver outstanding non-slip grip and traction. A molded TPU heel counter adds stability. Hollowed lugs ensure lightness. 0.2 inch lug depth.