Half sizes order up. Sperry has been making classic slip-free shoe styles since 1935, when founder Paul Sperry was inspired by how effortlessly his dog's paws gripped the ice. Cozy and winter-weather-ready, these buckle boots feature a waterproof rubber sole and shearling-lined uppers that are perfect for mucking through slush and snow. Leather upper. Shearling lining. Rubber sole.