Denim jacket fit advice

[redleicester5]

Hi! I'm after some advice on how my new denim jacket should fit please! I ordered a medium and a large. It's the Levi's trucker jacket. Basically the medium fits well on my body (6ft2 and slim) however seems a tad short on the arms. The large seems slightly big on my body but is a better length on the arms. I've attached pics below of both jackets. Apologies for the weird poses but I was just trying to show the sleeve lengths. Thanks in advance for any help!

First 5 pics are the medium, second 5 pics are the large