![Brown Jeans with Crew-neck T-shirt Smart Casual Spring Outfits For Men In Their 30s: This casual street style combo of a crew-neck t-shirt and brown jeans is very easy to throw together without a second thought, helping you look seriously stylish and prepared for anything without spending too much time searching through your wardrobe. Make this ensemble slightly sleeker by finishing with a pair of charcoal leather chelsea boots. This combination is absolutely great to welcome spring. So if you need style inspiration for dressing as you turn 30, this combo is perfect.](https://cdn.lookastic.com/looks/dark-brown-shirt-jacket-light-blue-crew-neck-t-shirt-brown-jeans-large-92319.jpg)
![Dark Brown Shirt Jacket](https://cdn.lookastic.com/dark-brown-shirt-jacket-original-11482628.jpg)
![Light Blue Knit Crew-neck T-shirt](https://cdn.lookastic.com/light-blue-knit-crew-neck-t-shirt-original-11346703.jpg)
![Brown Vertical Striped Jeans](https://cdn.lookastic.com/assets/item-dba620cf05c5e3a32ad2750e6b7a2aff19e1c5a9163440160262dd0ec62fbf32.png)
![Charcoal Leather Chelsea Boots](https://cdn.lookastic.com/charcoal-leather-chelsea-boots-original-11395721.jpg)
This casual street style combo of a crew-neck t-shirt and brown jeans is very easy to throw together without a second thought, helping you look seriously stylish and prepared for anything without spending too much time searching through your wardrobe. Make this ensemble slightly sleeker by finishing with a pair of charcoal leather chelsea boots. This combination is absolutely great to welcome spring. So if you need style inspiration for dressing as you turn 30, this combo is perfect.