Trask Mens Winslow Leather Rugged good looks make the Winslow boot from Trask&reg; a versatile favorite! Hand-selected Horween&reg; American bison leather upper in a genuine Goodyear welt construction. Easy pull-on style with side zip closure. Shearling lined shaft. Waterproof construction. Removable molded EVA footbed with leather-covered insole. Vibram Icetrek&reg; rubber outsole grips even cold, icy surfaces. This product contains real sheep fur from China that has been artificially treated. Imported. Measurements: Weight: 1 lb 10 oz Circumference: 11 1&frasl;2 in Shaft: 7 3&frasl;4 in Product measurements were taken using size 11, width M. Please note that measurements may vary by size.