Northside Women's Kayla Snow Boot 100% Leather and synthetic Imported Synthetic sole Heel measures approximately 1.25" Suede upper with twin gore stretch and padded collar 200 grams Thinsulate insulation for -25 thermal rating Lightweight, waterproof duel color TPR shell Removable EVA insole covered with faux sherpa for added comfort and warmth All Terrain Grip outsole provides a specific lug pattern for ideal traction