UGG Women's Adirondack II Winter Boot 100% Cow Leather WP, Cow Suede WP, Synthetic Imported Rubber sole Shaft measures approximately 6.25" from arch Fully waterproof, seam-sealed lace up boot. 17 mm UGG pure wool lining Cold weather rated to -20 C eVent waterproof bootie construction. Waterproof leather and suede. UGGpure wool lining Exclusive Vibram outsole and a repeating lug tread pattern that provides maximum surface contact for traction and malleability at the foots natural flex points 7inches shaft height Non-wicking nylon lace Cuffable shaft