As a TIGI® stylist, talent educator and seasoned New York Fashion Week hairdresser, Joel Torres  knows a thing or two about fashionable hair. His work has appeared in Italian and American Vogue, Harper’s Bazaar and InStyle, among others, and he’s also our go-to guy for predicting upcoming men’s hair trends. So when we asked him what’s trending in men’s hair, he gave us a sneak peek at what's sure to be hot this season.

“For the last couple of years, we’ve seen everything from the ’40s coming back,” notes Joel. “Clipper cuts, the really short sides,…