![Brown Plaid Flannel Long Sleeve Shirt with Grey Sweatpants Casual Warm Weather Outfits For Men In Their 20s: Fashionable and functional, this combination of a brown plaid flannel long sleeve shirt and grey sweatpants brings countless styling opportunities. Wondering how to finish? Introduce a pair of grey athletic shoes to the mix to mix things up a bit. If you're often not sure how to dress as a 20-year-old man, this ensemble is a wonderful example.](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)
Fashionable and functional, this combination of a brown plaid flannel long sleeve shirt and grey sweatpants brings countless styling opportunities. Wondering how to finish? Introduce a pair of grey athletic shoes to the mix to mix things up a bit. If you're often not sure how to dress as a 20-year-old man, this ensemble is a wonderful example.