Metro Air 5 Side-ZipAction leather 1000 denier nylon upper with polishable heel and toe YKK side zipper in durable Vislon pattern for easy on and off fit with hook and loop tab stay closure Double stitched upper with 3 ply bonded nylon thread for extended durability Foam padded collar and tongue for protection and increased breathability PU collar for easy cleaning Gusseted tongue to keep dirt and debris out For those officers who prefer a shorter boot, the Metro Air 5