Bootcut jeans by Jack & Jones Made from 100% cotton denim. Classic five pocket styling. Medium wash finish. Bootcut fit. ABOUT JACK & JONES. Founded in 1989, Jack & Jones is a Danish brand that offers cool, relaxed designs that express a strong visual style through their diffusion lines, Jack & Jones intelligence and Jack & Jones vintage. Using innovative treatments and cuts Jack & Jones place their signature laid back style on to a whole range of clothing from print t-shirts to jeans. Body: 100% Cotton.