For an ensemble that brings comfort and dapperness, pair a cardigan with a light blue crew-neck t-shirt. A pair of grey athletic shoes will add more character to your ensemble. Ideal if you're on the lookout for some seriously inspiring 20-something relaxed style.
For an outfit that's super straightforward but can be worn in a ton of different ways, wear a cardigan with a light blue crew-neck t-shirt. For extra fashion points, introduce a pair of black and white canvas low top sneakers to the mix. Ideal to show people that even as a gent in his 20s you're confident enough to make your own style choices.