Right now, Amazon is selling Real Essentials Men's Dry-Fit Long Sleeve Shirts with Sun Protection (4 Pack) for $35. That's 30 ...

Long-sleeved ... white T-shirts and oxford button-downs you can wear with a tie or untucked. Update on April 7, 2025: Added restocking details for Bandit’s Micromesh Long Sleeve Performance ...

and throw on a rugby shirt. It was a long-sleeved maroon pullover with a matching collar and a broad white stripe slashing through the midsection and sleeves. He would tuck it into his sweatpants ...

Though this is actually one design—the longer sleeves are attached—you could achieve the look with a half-placket, band-collar shirt over a long-sleeve tee. Also worth trying a polo on top.