This style fits true to size, order your normal size. Designed in QC Upper: Synthetic leather Lining: Extra warm and comfortable synthetic sherpa with 200 grams of 3M Thinsulate insulation and breathable waterproof membrane Lining of insock: Synthetic sherpa Insole: EVA cushioning for added comfort, support and shock absorbency. Removable for easy replacement, if needed. Midsole: Insulating, lightweight, shock-absorbing compressed EVA Outsole: Durable non-marking rubber with high traction sole engraving Round toe Vegan Cold Rated -30 ºC Waterproof