- Workwear style denim jacket. Cut from rigid denim. Workwear style pockets. Classic striped lining. The model is wearing a size L and is 187 cm tall. JACK & JONES JEANS INTELLIGENCE Rigid denim Rigid denim is made from 100% cotton. It's the traditional kind of denim with a lot of character. It looks particularly good when washed, which makes the twill lines pop.