The Timberland Treadlight 6 Waterproof Treadlight Boot is made of ReBOTL fabric and premium leather from a tannery rated Silver for sustainability. Measurements: Weight: 1 lb 13 oz Shaft: 7 in Product measurements were taken using size 9, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.