If the setting permits a casual outfit, try pairing a red crew-neck sweater with charcoal sweatpants. A pair of athletic shoes instantly ups the appeal of this ensemble.
Red Crew-neck Sweater with Athletic Shoes Relaxed Outfits For Men
A red crew-neck sweater and grey ripped skinny jeans worn together are a nice match. This outfit is complemented nicely with a pair of athletic shoes.