Size: US 9.5 / EU 40.5 Color: BLACK - Rubberized leather upper - Leather insole - Rubber sole - Side zip and tie closure - Imported Dimensions: - Shaft Height: 16" - Calf Circumference: 15" Description from the Grenson Website: "We love Nanette and wanted to do a full height boot and so Nanette Knee High was born. With an inside zip you can customize the lacing to fit just about every leg shape. Here in all over black colorado leather the look is completed with tonal dark eyelets and zip, traditional cross over lacing and our lightweight but chunky commando sole."