I'm fairly new to 5.11. I owned a lot of polos from other non-tactical brands, but these Helios polos are the best. It's super soft, fits well (I'm 6 ft, large fits perfectly), and really comfortable. I have a blue navy and a black one, though sometimes it's hard to tell the difference between two.
I won't knock a star off of it, but the pen pockets on my left sleeve do sometimes get annoying. The pen falls into the pocket or when I put the polo on, I have to tuck the pen pocket space back into the shoulder sleeve.
Other than that, I love it.
I have two of these shirts they are a great look and stay fresh looking during a 14 hour day. I wish they had white. I take them out of my bag and hang them up and the wrinkles fall out.
The shirt has everything you need, but because of the material it is made of, my pens keep sliding to the bottom of the pocket, and I cannot get them out without taking the shirt off. I have pen pockets on other material that has more friction and the pens stay put, but his material is so slick that I lose my pens in the pockets.