![Blue Denim Shirt with Navy Corduroy Waistcoat Smart Casual Warm Weather Outfits In Their 30s: You'll be amazed at how extremely easy it is to put together this sophisticated menswear style. Just a navy corduroy waistcoat and a blue denim shirt. As you mature into your 30s, you want to start dressing like an adult man. In this case, looks like this are perfect as inspiration.](https://cdn.lookastic.com/looks/blazer-waistcoat-denim-shirt-large-4008.jpg)
![Grey Herringbone Wool Blazer](https://cdn.lookastic.com/grey-herringbone-wool-blazer-original-440996.jpg)
![Navy Corduroy Waistcoat](https://cdn.lookastic.com/navy-corduroy-waistcoat-original-655740.jpg)
![Blue Denim Shirt](https://cdn.lookastic.com/blue-denim-shirt-original-2767407.jpg)
![Blue Jeans](https://cdn.lookastic.com/blue-jeans-original-468792.jpg)
![Navy Knit Tie](https://cdn.lookastic.com/navy-knit-tie-original-3975899.jpg)
![Brown Paisley Pocket Square](https://cdn.lookastic.com/brown-paisley-pocket-square-original-569157.jpg)
You'll be amazed at how extremely easy it is to put together this sophisticated menswear style. Just a navy corduroy waistcoat and a blue denim shirt. As you mature into your 30s, you want to start dressing like an adult man. In this case, looks like this are perfect as inspiration.