![Grey Work Boots with Crew-neck Sweater Casual Fall Outfits For Men In Their 20s: For a goofproof laid-back option, you can never go wrong with this combo of a crew-neck sweater and black jeans. Rounding off with a pair of grey work boots is a fail-safe way to inject a more relaxed twist into this look. As you can see here, it's very easy to look seriously stylish and stay toasty come cooler days, all thanks to combinations like this one. A nice, less conservative getup for 20-year-old men.](https://cdn.lookastic.com/looks/field-jacket-crew-neck-sweater-long-sleeve-shirt-large-55305.jpg)
![Navy Field Jacket](https://cdn.lookastic.com/navy-field-jacket-original-9664020.jpg)
![Grey Crew-neck Sweater](https://cdn.lookastic.com/grey-crew-neck-sweater-original-404838.jpg)
![White Long Sleeve Shirt](https://cdn.lookastic.com/white-long-sleeve-shirt-original-360468.jpg)
![Black Jeans](https://cdn.lookastic.com/black-jeans-original-470016.jpg)
![Charcoal Suede Work Boots](https://cdn.lookastic.com/charcoal-suede-work-boots-original-11313329.jpg)
![Beige Baseball Cap](https://cdn.lookastic.com/beige-baseball-cap-original-2009229.jpg)
For a goofproof laid-back option, you can never go wrong with this combo of a crew-neck sweater and black jeans. Rounding off with a pair of grey work boots is a fail-safe way to inject a more relaxed twist into this look. As you can see here, it's very easy to look seriously stylish and stay toasty come cooler days, all thanks to combinations like this one. A nice, less conservative getup for 20-year-old men.