What I like is the crew neck, which frames the collar area in a clean way.
Champion Gear Men’s 2XL Gray Camo DuoFold WarmCTRL Performance LS Mock Neck
This shirt uses a faded camouflage that looks lived-in and comfortable right away.
Carhartt LWD BLK Camo Short Sleeve T-Shirt Black Mens Large Logo Relaxed
A nice touch with the relaxed fit is the neat collar that stays crisp.
Under Armour Project Rock Graphic By Air Land Sea L/S Shirt Men’s Size XL
You will find the pattern doesn’t overwhelm smaller body frames.
Champion Men’s T-Shirt All Over Camouflage Big & Tall Flocked Logo Crew Neck Tee
You will find that the sizing runs consistent, helpful for men ordering online.