![Navy and White Crew-neck Sweater with Cargo Pants Smart Casual Spring Outfits In Their 30s: A navy and white crew-neck sweater looks especially nice when combined with cargo pants in an off-duty ensemble. A pair of black leather loafers effortlessly boosts the classy factor of any outfit. This outfit is everything for those snug days of spring. If you've passed the big three-oh, take inspiration from getups like this to take a more serious approach to your personal style.](https://cdn.lookastic.com/looks/gilet-crew-neck-sweater-cargo-pants-large-102407.jpg)
![Tan Fleece Gilet](https://cdn.lookastic.com/tan-fleece-gilet-original-11534402.jpg)
![Navy Crew-neck Sweater](https://cdn.lookastic.com/navy-crew-neck-sweater-original-400860.jpg)
![Olive Cargo Pants](https://cdn.lookastic.com/olive-cargo-pants-original-476748.jpg)
![Black Leather Loafers](https://cdn.lookastic.com/black-leather-loafers-original-527004.jpg)
![Clear Sunglasses](https://cdn.lookastic.com/clear-sunglasses-original-11345333.jpg)
![White Socks](https://cdn.lookastic.com/white-socks-original-604962.jpg)
A navy and white crew-neck sweater looks especially nice when combined with cargo pants in an off-duty ensemble. A pair of black leather loafers effortlessly boosts the classy factor of any outfit. This outfit is everything for those snug days of spring. If you've passed the big three-oh, take inspiration from getups like this to take a more serious approach to your personal style.