A nice touch is the regular cut, which works well for both tucking in and leaving out.
BIG MENS Long Sleeve Tri Blend T-Shirt XL, 2XL, 3XL, 4XL Premium Crew Neck Tee
What stands out about this shirt is how it’s cut specifically for men, not unisex.
Mens Long Sleeve Tri Blend T-Shirt Premium Crew Neck Tee S, M, L, XL 2XL 3XL 4XL
You will see the sleeves are set in a way that suits men with broader arms.