I always thought it looked tacky. I have the long sleeve and jacket and would normally wear either, but I gotta say, there was an in-between day and my partner and I decided to go short sleeves. Well I put on my navy blue long sleeve under armour and rolled the sleeves up.

In the 5th, got a lil' chilly, down came the sleeves. My COLD P and the catcher noticed and called me a cheater.lol