![Brown Plaid Flannel Long Sleeve Shirt with Grey Sweatpants Casual Fall Outfits For Men In Their 20s: Busy off-duty days require a simple yet laid-back and cool outfit, such as a brown plaid flannel long sleeve shirt and grey sweatpants. Up your outfit with grey athletic shoes. This one is an excellent pick if you're looking for a killer summer-to-fall look. This outfit suggests how to look stylish as you go through your 20s.](https://cdn.lookastic.com/looks/denim-jacket-long-sleeve-shirt-crew-neck-t-shirt-large-104769.jpg)
![Navy Denim Jacket](https://cdn.lookastic.com/navy-denim-jacket-original-442476.jpg)
![Brown Plaid Flannel Long Sleeve Shirt](https://cdn.lookastic.com/brown-plaid-flannel-long-sleeve-shirt-original-11417964.jpg)
![White Crew-neck T-shirt](https://cdn.lookastic.com/white-crew-neck-t-shirt-original-386478.jpg)
![Grey Sweatpants](https://cdn.lookastic.com/grey-sweatpants-original-4260448.jpg)
![Grey Athletic Shoes](https://cdn.lookastic.com/grey-athletic-shoes-original-550494.jpg)
![White Socks](https://cdn.lookastic.com/white-socks-original-604962.jpg)
Busy off-duty days require a simple yet laid-back and cool outfit, such as a brown plaid flannel long sleeve shirt and grey sweatpants. Up your outfit with grey athletic shoes. This one is an excellent pick if you're looking for a killer summer-to-fall look. This outfit suggests how to look stylish as you go through your 20s.