![Navy Knit Waistcoat with White and Blue Check Long Sleeve Shirt Summer Outfits In Their 30s: The formula for a killer and on-trend look? A navy knit waistcoat with a white and blue check long sleeve shirt. On the shoe front, go for something on the laid-back end of the spectrum and finish off this ensemble with a pair of tan suede driving shoes. This ensemble is the definition of ideal for super hot warm weather days. Overall, a perfect demonstration of Millennial fashion.](https://cdn.lookastic.com/looks/navy-waistcoat-white-and-blue-long-sleeve-shirt-olive-cargo-pants-large-9899.jpg)
![Navy Knit Waistcoat](https://cdn.lookastic.com/navy-knit-waistcoat-original-4551081.jpg)
![White and Blue Check Long Sleeve Shirt](https://cdn.lookastic.com/white-and-blue-check-long-sleeve-shirt-original-10160944.jpg)
![Olive Cargo Pants](https://cdn.lookastic.com/olive-cargo-pants-original-476748.jpg)
![Tan Suede Driving Shoes](https://cdn.lookastic.com/tan-suede-driving-shoes-original-552114.jpg)
The formula for a killer and on-trend look? A navy knit waistcoat with a white and blue check long sleeve shirt. On the shoe front, go for something on the laid-back end of the spectrum and finish off this ensemble with a pair of tan suede driving shoes. This ensemble is the definition of ideal for super hot warm weather days. Overall, a perfect demonstration of Millennial fashion.