Hunter Size ChartNote: Select your US size. Please be advised, the product and box will display UK, US and Euro sizing. For US sizing, both men's and women's sizing is displayed. Men's sizing is represented by M and women's sizing is represented by F . Save your toes from the rain woes with the Original Refined Chelsea boot.Vulcanized rubber upper in a slimmer construction.Pull on construction with side goring.Round toe.Quick dry woven nylon lining.Multi-layer cushioned sponge insole.Traditional calendared natural rubber sole.The brand advises that a white wax film may appear on the surface of the rubber boots and that it can be wiped off with a damp cloth. This blooming effect is not a defect. Blooming is caused when the boots are exposed to extreme temperatures or temperature swings and the wax helps prevent the rubber from weathering.