The Bogs Classic Mid work boot will keep you comfortable and dry through every activity. Natural hand-lasted rubber. 4-way stretch internal bootie. Features 7mm four-way stretch Neo-Tech insulation. Cushioned insole with DuraFresh biotechnology that activates to fight unwanted odors for a fresher foot environment. Internal TPU shank provides a stable foundation. Non-marking rubber outsole provides all-purpose traction with self-cleaning lugs. Comfort rated to -40 degreesF / -40 degreesC (conversion temps are correct.) Imported. Measurements: Weight: 2 lbs 6 oz Circumference: 16 in Shaft: 10 in Product measurements were taken using size 12, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.