Showcase your prowess in men's fashion by marrying a beige long sleeve shirt and dark brown chinos for a relaxed getup. With shoes, you can take a more casual route with a pair of dark brown athletic shoes. So if it's a roasting hot summertime day and you want to look stylish without exerting much effort, this look will do the job in seconds time. Overall, an ideal demonstration of off-duty fashion for 20-somethings.
Opt for a navy and green plaid flannel long sleeve shirt and dark brown chinos for a straightforward menswear style that's also put together nicely. Take an otherwise mostly classic outfit in a more laid-back direction by rounding off with a pair of dark brown athletic shoes. You totally can keep your cool under the sweltering heat, and this outfit is a good illustration of just that When it comes to casual outfit ideas for guys in their 20s, this getup looks great on almost anyone.