Find the perfect combination of protection, durability, and comfort of the Danner Tachyon 8 Polishable boot that will keep you performing at your best. Leather and textile upper. Polishable synthetic leather on the toe area meets uniform requirements. Speed lace system for a secure fit. Unlined interior for a lightweight construction. Cushioned open-cell polyurethane footbed for underfoot support and comfort. Lightweight EVA midsole for excellent underfoot comfort. Nylon shank for lightweight stability. Tachyon rubber outsole for superior abrasion resistance and pentagonal lugs for maximum surface contact. Built on the DLE-01 last that was designed to be an extension of the foot with superior forefoot and heel capture, stability and a more anatomical shape for comfort. Imported. Measurements: Weight: 15 oz Shaft: 8 1 2 in Product measurements were taken using size 11.5, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.