Keen Portland boots are waterproof and breathable. American Built with a carbon toe and heat- resistant rubber sole up to 300 degrees! Contoured heel lock to reduce slip, shank for mid foot support, and bellows flex engineered for 3X easier bending and flexing. Only worn a couple of times and ended up being a little too big. Shoes are clean and in excellent condition. Leather has been conditioned Pet and smoke free home Thanks for checking out my closet!