You will find that the long sleeve proportions are balanced and flattering.
LRG Men’s 3XL Black White Blue Colorblock Logo Crew Neck Short Sleeve Tee
You will find that short sleeves make layering easy under a jacket or hoodie.
Royal Robbins Men’s Gray/Blue Colorblock Cotton Knit Long Sleeve Logo T-Shirt L
You will find that the fit is true for men who are between sizes.
Hollister Men’s M Raglan Long Sleeve Crew Neck Colorblock Cotton Knit Logo Tee
You will see the sleeves are a bit longer, which men often prefer for coverage.
Free Planet Mens Large Color Block Long Sleeve Shirt Gray Black Crew Neck L
The long sleeve length gives you a bit more coverage for casual days.