Classic five-pocket jeans in a regular fit The details of the classic five-pocket style Stretch in the denim ensures a great fit An authentic worn look The model is wearing a size 31/32 and is 187 cm tall JACK & JONES JEANS INTELLIGENCE Regular fit Clark You’re a guy who likes your jeans in a simple a fit. Without all the drama. Say no more. Clark is a regular fit with a slim straight leg. Not sure what size you need? Visit our size guide.