GORE-TEX fabric lining. Brown full-grain leather upper. Moisture wicking nylon lining. Removable lacing in a leather kilty, which keeps brush from being caught in the laces. 600g Thinsulate Ultra insulation. Comfort Cork footbed with memory foam and ScentBan odor inhibitor. Steel shank. Cork PU midsole. Bulls-Eye Air Bob Aggressive outsole: Carbon rubber outsole with an aggressive tread design and sticky rubber broadhead, multi-directional traction lugs. Premium Leather Flex Welt construction. Measurements: Heel Height: 1 1 4 in Weight: 2 lbs 2 oz Circumference: 14 in Shaft: 12 in Platform Height: 1 in Product measurements were taken using size 8, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.