Through the city streets of sludge and water, the Shellista Lace Mid will keep you warm and cozy through the winter. Uppers are made of durable, waterproof leather and nylon. Cemented and seam-sealed waterproof construction to keep your feet dry. Anatomically engineered, injection-molded waterproof TPR shell bottom offers superb protection against the elements and features forefoot flex grooves for better mobility. 200g PrimaLoft Eco insulation throughout provides warmth in conditions down to -25ºF. Dual-density internal midsole with three-quarter-length nylon shank. Slick, icy surfaces won't be a problem with the excellent traction of the WinterGrip outsole, which is studded with temperature-sensitive IcePick lugs. Measurements: ; Weight: 1 lb 7 oz ; Shaft: 10 1 2 in ; Product measurements were taken using size 9, width B - Medium. Please note that measurements may vary by size.