![Blue Jeans with Black Leather Work Boots Relaxed Warm Weather Outfits For Men In Their 30s: Master the laid-back and cool look in a grey print crew-neck t-shirt and blue jeans. Put a more informal spin on your outfit by slipping into a pair of black leather work boots. Men wondering how to pull off cool casual dressing as you get into your 30s, you have your answer.](https://cdn.lookastic.com/looks/grey-crew-neck-t-shirt-navy-jeans-black-work-boots-large-75483.jpg)
![Grey Print Crew-neck T-shirt](https://cdn.lookastic.com/grey-print-crew-neck-t-shirt-original-4026647.jpg)
![Navy Jeans](https://cdn.lookastic.com/navy-jeans-original-468486.jpg)
![Black Leather Work Boots](https://cdn.lookastic.com/black-leather-work-boots-original-11313301.jpg)
![Black Leather Belt](https://cdn.lookastic.com/black-leather-belt-original-573822.jpg)
Master the laid-back and cool look in a grey print crew-neck t-shirt and blue jeans. Put a more informal spin on your outfit by slipping into a pair of black leather work boots. Men wondering how to pull off cool casual dressing as you get into your 30s, you have your answer.