Baffin Inc Ice Field Womens Boots, Primary Color: Black, Size: 10, Distinct Arctic series boot is great for winter sports and extreme cold conditions Comfort rated for -148 degree F/ -100 degree C makes this a superior cold weather boot Cinch lace system makes for easy lacing and adjusting for optimal fit Cinch cord upper helps keep the snow out of the boot Outsole made from dual density polar rubber for durability in extreme conditions