Suede and quilited nylon upper. M Select DRY seals out water and lets moisture escape so you stay dry. M Select WARM lightweight, low bulk 100 gram insulation keeps you comfortable. Traditional lace closure. Fleece lining. Kinetic Fit Base removable contoured insole for flexible support. Nylon arch shank. EVA midsole for comfort and support. Merrell air cushion in the heel absorbs shock and adds stability. M Select GRIP outsole tunes each outsole with durable traction that grips when and where you need it. 17.8cm shaft height. 4.3cm heel height. 33.5cm calf circumference.