A turtleneck and dress pants are absolute mainstays if you're picking out a semi-casual wardrobe that holds to the highest menswear standards. Introduce a pair of black canvas loafers to the equation and the whole look will come together wonderfully. This combination is most probably what you're looking for as a younger gentleman.
Rock a turtleneck with dress pants and you'll ooze class and polish. Rounding off with white canvas low top sneakers is a surefire way to add a more casual twist to this ensemble. Dressing inspo like this will help you remain enviously fashionable as you make it through your 20s.
This is solid proof that a turtleneck and dress pants look amazing when married together in a polished look for today's guy. If not sure as to what to wear in the shoe department, complete your look with a pair of brown leather derby shoes. This pairing illustrates that in your late 20s your styling options are far from limited.
Consider teaming a turtleneck with dress pants for a proper elegant outfit. If you wish to immediately dress down this outfit with a pair of shoes, why not complete this ensemble with dark brown suede casual boots? Rock this ensemble to put together a more mature look as a 20-something gent.
Dress in a turtleneck and dress pants to be the picture of refinement. Complete this ensemble with brown leather monks for maximum style points. Ideal to convey that even as a young gent you're confident enough to make your own sartorial choices.