![White Crew-neck T-shirt with Navy and White Plaid Flannel Long Sleeve Shirt Spring Outfits For Men In Their 30s: For an outfit that brings functionality and style, opt for a navy and white plaid flannel long sleeve shirt and a white crew-neck t-shirt. Inject a sense of stylish casualness into this look by finishing off with a pair of tan leather work boots. With rising temperatures come warmer days and more sunlight and the need for a cool ensemble just like this one. Those who wonder how to rock cool casual dressing well into your 30s, you have your answer.](https://cdn.lookastic.com/looks/long-sleeve-shirt-crew-neck-t-shirt-jeans-large-65959.jpg)
![Navy Plaid Flannel Long Sleeve Shirt](https://cdn.lookastic.com/navy-plaid-flannel-long-sleeve-shirt-original-11395730.jpg)
![White Crew-neck T-shirt](https://cdn.lookastic.com/white-crew-neck-t-shirt-original-386478.jpg)
![Black Ripped Jeans](https://cdn.lookastic.com/black-ripped-jeans-original-9154509.jpg)
![Tan Leather Work Boots](https://cdn.lookastic.com/tan-leather-work-boots-original-11313292.jpg)
![Black Leather Backpack](https://cdn.lookastic.com/black-leather-backpack-original-2373243.jpg)
![Black Leather Fanny Pack](https://cdn.lookastic.com/black-leather-fanny-pack-original-11633040.jpg)
For an outfit that brings functionality and style, opt for a navy and white plaid flannel long sleeve shirt and a white crew-neck t-shirt. Inject a sense of stylish casualness into this look by finishing off with a pair of tan leather work boots. With rising temperatures come warmer days and more sunlight and the need for a cool ensemble just like this one. Those who wonder how to rock cool casual dressing well into your 30s, you have your answer.