This style fits true to size, order your normal size. Cold Rated -30C Waterproof Upper: Synthetic nubuck leather and Softshell fabric. With 3M Scotchlite reflective inserts Lining: Extra warm and comfortable soft sherpa fabric and foam backed textile with 200 grams of 3M Thinsulate insulation and full breathable waterproof membrane Lining of insock: Foam padded brushed textile for added comfort Insole: Moulded EVA cushioning for added comfort, support and shock absorbency. Removable for easy replacement, if needed. Midsole: Insulating, lightweight, shock-absorbing compressed EVA with TPU heel insert Outsole: Durable non-marking rubber with high traction and slip resistant sole engraving Molded bumper toe Glow in the dark Light weight Designed in QC