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 ...

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.