To help you narrow your search, I consulted a panel of stylists, fashion designers, and all-around cool people to find the best long-sleeved T-shirts for men ... options to suit people of all ...
Note: moths love wool, so I store all my Merino clothing in a container ... their No Sweat Pant, and this long-sleeve tee will become your go-to T-shirt for men in cooler temps.