For an ensemble that's elegant and GQ-worthy, choose a suit and a blue denim shirt. Complement this ensemble with a pair of beige suede low top sneakers to keep the outfit fresh. All in all, a good demonstration of smart casual style for 20-something guys.
Dress in a suit and a blue denim shirt - this look will certainly make ladies go weak in the knees. A pair of white leather low top sneakers easily turns up the street cred of this ensemble. And if we're talking outfit ideas for 20-year-olds, this combo is perfect.