They're both short-sleeved, both comfortable, and both fine for a casual round, so why does everyone treat the golf polo as the default? Here's the actual difference, and when each one makes sense.
The Collar Is Doing More Than You Think
A polo's collar isn't just tradition. Most golf clubs still require a collared shirt on the course, so a polo is the safer choice if you're playing anywhere with a dress code, private clubs especially. A t-shirt, however casual-looking, can get you turned away at check-in. If you're unsure what a particular club expects, our guide to golf course dress codes covers what actually applies where.
Performance Fabric vs Everyday Cotton
Most golf t-shirts are just regular cotton tees, which cling when you sweat and don't move well through a full swing. A proper golf polo, like our Honolulu Polo or Waikiki Polo, uses a polyester-spandex blend built specifically to stretch through your shoulders and back without holding onto sweat.
When a T-Shirt Actually Works
Public courses with relaxed dress codes, driving ranges, and practice sessions are all fair game for a t-shirt if that's what you're comfortable in. It's really about where you're playing, not a hard rule, the polo is simply the safer default because it works everywhere a t-shirt does, plus everywhere a t-shirt doesn't.
You Don't Always Have to Pick
Some pieces sit deliberately between the two. The Rough Tee has the relaxed, boxy feel of a t-shirt but keeps a proper collar, so it clears dress codes while still feeling casual. If you like the look of a tee but play somewhere that insists on a collar, that middle ground is worth knowing about.
The Bottom Line
If you're only going to own one type of golf shirt, make it a proper performance polo. It covers every dress code, moves better through your swing, and still looks sharp off the course, which a plain cotton tee usually doesn't manage.