Industry experts unanimously say that in 2025, iconic styles such as mullets, curtain bangs, cropped haircuts, cup haircuts, and various versions of long hair will be at the peak of popularity. It’ s a nostalgic nod to the vibrant aesthetics of the ’80s, ’90s, and early 2000s. These barber-approved men's hairstyles are trending this season; from French crops and taper fades to long hair and mullets. Trending Men’s Haircuts Slicked Back Undercut The slicked back undercut is a popular haircut for guys who want a trendy look that blends classic and modern styling. This stylish hairstyle works with short to medium-length hair, and styling the look is as simple as blow-drying your hair back while using a brush to control the direction. Finishing with a matte pomade will hold this style in place all day or night.