Matthew Morrison goes shirtless in the latest issue of Details -- making him the hottest teacher we've ever seen!

With his "Glee" curls blown out, Morrison hits the surf for the sexy photoshoot -- and talked to the magazine about being a sexy symbol.

“I’m not comfortable with the idea of my sex appeal," says Morrison "but I know in my job I have to use it. I wish I could say I got to this point in my career based on my talent, but I don’t think that’s true.”

Check out his hot pics above!