CARIBOU HORIZON™ GTX Women。Sorrel Snow Boots -WORN Twice Excellent Shape The Sorel Men\'s Caribou is an iconic, heavy-duty winter boot known for its waterproof nubuck leather upper, handcrafted rubber shell, and removable 9mm felt inner boot with a sherpa cuff, providing excellent warmth and protection in extreme cold and snow by keeping feet dry and toasty, featuring a durable outsole for traction, making it a top choice for winter weather, though some find them bulky for activities like driving or long city walks. As they are for snow activities. Let me know if you have any questions.