Shaft Height: 5" (Size 39) * Circumference: 10" (Size 39) * Fit: This is a UNISEX style. All sizing is listed n MEN"S SIZES. If you would like to purchase a Women"s size please add 2 sizes to convert to Men"s. For example, if you would like to order a Women"s size 6, please order a size 8. * Insole: ecoOrthoLite® * Outsole: Rubber