This style fits true to size, order your normal size. Upper: Synthetic leather with a brushed textile collar. Waterproof Lining: Extra warm and comfortable insulated sherpa with a faux fur collar with 200 grams of 3M Thinsulate insulation and breathable waterproof membrane Lining of insock: Foam backed brushed textile for added comfort Insole: EVA cushioning removable for easy replacement, if needed Midsole: Insulating, lightweight, shock-absorbing compressed EVA Outsole: Durable TPR with high traction sole engraving Round toe