![Olive Crew-neck Sweater with Burgundy Leather Casual Boots Smart Casual Warm Weather Outfits For Men In Their 30s: This combination of an olive crew-neck sweater and navy jeans spells comfort and versatility. A pair of burgundy leather casual boots effortlessly polishes up the outfit. As you go into your 30s, you probably want to start dressing more like a mature gentleman. In this case, combinations like this prove useful as a source of inspiration.](https://cdn.lookastic.com/looks/blazer-crew-neck-sweater-dress-shirt-large-55561.jpg)
![Charcoal Blazer](https://cdn.lookastic.com/charcoal-blazer-original-2161167.jpg)
![Dark Green Crew-neck Sweater](https://cdn.lookastic.com/dark-green-crew-neck-sweater-original-5253099.jpg)
![White Check Dress Shirt](https://cdn.lookastic.com/white-check-dress-shirt-original-10166374.jpg)
![Navy Jeans](https://cdn.lookastic.com/navy-jeans-original-468486.jpg)
![Burgundy Leather Casual Boots](https://cdn.lookastic.com/burgundy-leather-casual-boots-original-11313173.jpg)
![Charcoal Tie](https://cdn.lookastic.com/charcoal-tie-original-2170563.jpg)
This combination of an olive crew-neck sweater and navy jeans spells comfort and versatility. A pair of burgundy leather casual boots effortlessly polishes up the outfit. As you go into your 30s, you probably want to start dressing more like a mature gentleman. In this case, combinations like this prove useful as a source of inspiration.