GORE-TEX waterproof membrane exceptional breathability and waterproof performance - Synthetic leather and mesh upper - Bellows closed-cell foam tongue keeps moisture and debris out - Protective rubber toe cap - Breathable mesh lining - Kinetic Fit ADVANCED removable contoured insole with enhanced heel and arch structure and integrated cushion pod for medium support - Molded nylon arch shank - Merrell Air Cushion in the heel absorbs shock and adds stability - EVA foam midsole for stability and comfort - Vibram TC5+ - 5mm lug depth