Cow-suede leather upper. EVA footbed. Full rubber outsole provides long wear durability. Full rubber outsole provides long wear durability. Rubber toe and heel guard resists abrasion. Seam-Sealed Waterproof Construction. Stretch Lycra provides additional movement allowing for easy entry. Textile footbed cover provides breathability. THERMOLITE 200g insulation for extra warmth. Waterproof materials provide resistance to water absorption.