Manfen Women's Mid-Rise Waterproof Hiking Boot Rubber Shaft measures approximately 8" from arch Shaft measures approximately 8" from arch This item have warm function, it is may be tight than normally size, we suggest that you buy a large size Synthetic upper with toecap protection TPU Backstay With Snowshoe Strap Ridge 200 Grams Of Thinsulate Insulation, Comfort Range to -30C, waterproof&breathable membrance lining