For a casually stylish getup, make a navy blazer and olive cargo pants your outfit choice — these two items fit pretty good together. Does this getup feel too polished? Let a pair of white and navy athletic shoes change things up a bit. So if it's an extremely hot hot weather afternoon and you want to look stylish without putting too much effort, this look will do the job in next to no time. Now that's an outfit any 20-something gentleman will love.