Happy New Year everyone!

I rented a sleevless Xterra wetsuit this summer. It was a medium and it was too tight across the chest. So for Christmas I asked for a full sleeve thinking the arms might help give me more propulsion. The sleeveless was fine though.

I tried on the full sleeve - it's a 2XU, got it in Large this time for more chest room. I know they should be tight but ....I don't know if it's me and what I expect it to be but, it's waaaayyy too tight. I can hardly reach my arms over my head. It's very tight everywhere else. Now I'm thinking sleeveless is the way to go??? Has anyone had a sleeve over sleeveless epiphany??

The 2XU chart shows me in a medium, XL is for a 6'4" 220 lb guy- I', 5'9" 160.