Dr. Martens Crewson Chukka Boot (Men) | Nordstromrack。Brand New in Box Crewson Chukka Black Boots Unisex - Size 8 Mens US, 9 Womens US, 7 UK, 41 EU From Dr. Martens: Engineered with functionality in mind, the boots are set on a new lightweight edition of the Dr. Martens classic sole and fitted with internal padding to keep you comfortable. Buffbuck is a nubuck leather with a natural grain character that feels soft and worn in from step on. The Crewson sole fuses rubber and PU in a new utilitarian construction. Made with a flexible cemented sole construction for all day comfort. Wider and a more rounded toe shape.