100% cotton. Kaihara denim. 5 pocket jean. Zip fly. Standard rise. Slightly tapered leg. Regular fit.The Lee 101Z jeans were the first jeans to use a zip fly, and revolutionised the world of denim forever. A firm staff favourite, they’ve got a nice, regular fit ideal for all scenarios. It’s also worth knowing that they’re made from some top class dry Japanese selvedge denim that looks great after a bit of wear and tear.