For an ensemble that's classic and Kingsman-worthy, consider pairing a crew-neck sweater with grey dress pants. Send this outfit down a whole other path by finishing off with red slip-on sneakers.
Red Slip-on Sneakers with Crew-neck Sweater Outfits For Men
A crew-neck sweater and olive chinos are a smart pairing to add to your casual repertoire. Complement this ensemble with red slip-on sneakers and the whole look will come together wonderfully.