Featuring a GORE-TEX waterproof membrane, the Merrell MQM Trail Running Shoes provide exceptional breathability and waterproof performance, keeping your feet comfy throughout your runs. Breathable mesh and TPU upper. Recycled breathable mesh lining. Super Rebound Compound provides durable shock absorption to help reduce torque and allow for a smooth transition into the midfoot. Improved lock-in fit. Recycled webbing lace system for firm lacing. Recycled removable EVA foam footbed. Mesh footbed cover for added protection. Molded nylon arch shank. Merrell Air Cushion in the heel absorbs shock and adds stability. NXT treated to prevent odor. Bellowed tongue to keep out the debris. Signature brand detailing on the side of the upper. Pull tab on the back for easy on and off. Round toe design. Vibram TC5+ outsole offers exceptional traction for outdoor multi-sport activities.