![Harrington Jacket with Athletic Shoes Smart Casual Warm Weather Outfits In Their 30s: Combining a harrington jacket and navy dress pants is a fail-safe way to infuse a refined touch into your current lineup. Our favorite of an infinite number of ways to finish this ensemble is with a pair of athletic shoes. If you're often not sure how to dress maturely while looking fashionable, this pairing is a fail-safe option.](https://cdn.lookastic.com/looks/harrington-jacket-crew-neck-sweater-dress-pants-large-60164.jpg)
![Navy Harrington Jacket](https://cdn.lookastic.com/navy-harrington-jacket-original-11656445.jpg)
![Grey Crew-neck Sweater](https://cdn.lookastic.com/grey-crew-neck-sweater-original-404838.jpg)
![Navy Dress Pants](https://cdn.lookastic.com/navy-dress-pants-original-478890.jpg)
![Grey Athletic Shoes](https://cdn.lookastic.com/grey-athletic-shoes-original-550494.jpg)
![Black Suede Belt](https://cdn.lookastic.com/black-suede-belt-original-11394825.jpg)
![Black and White Horizontal Striped Socks](https://cdn.lookastic.com/black-and-white-horizontal-striped-socks-original-6702139.jpg)
Combining a harrington jacket and navy dress pants is a fail-safe way to infuse a refined touch into your current lineup. Our favorite of an infinite number of ways to finish this ensemble is with a pair of athletic shoes. If you're often not sure how to dress maturely while looking fashionable, this pairing is a fail-safe option.