A white and navy horizontal striped crew-neck t-shirt and khaki chinos will allow you to showcase your sartorial side. For something more on the daring side to finish this ensemble, introduce flip flops to the mix. Laid-back looks for guys in their thirties aren't actually that hard, as you see here.
Khaki Chinos with Flip Flops Hot Weather Outfits In Their 30s
For something on the off-duty end, test drive this pairing of a navy horizontal striped polo and khaki chinos. If you don't want to go all out formal, add flip flops to the mix. Like this outfit idea for a 30-year-old man?