This style fits true to size, order your normal size. Upper: Synthetic leather and textile fabric. Waterproof Lining: Extra warm and comfortable insulated fleece with 200 grams of 3M Thinsulate insulation and breathable waterproof membrane Lining of insock: Foam backed brushed textile for added comfort Insole: Molded open-cell technology foam with additional memory foam padding for maximum comfort, support and high breathability. Removable for easy replacement, if needed Outsole: Durable TPR with high traction sole engraving Round toe