![Navy Crew-neck Sweater with Crew-neck T-shirt Smart Casual Fall Outfits For Men In Their Teens: For something more on the off-duty end, consider this combo of a navy crew-neck sweater and a crew-neck t-shirt. Throw white canvas low top sneakers in the mix and you're all done and looking amazing. So as you can see, this combo is a really great option, especially for unpredictable fall weather, when the temperature is getting lower. Rock this getup to uphold a mature image.](https://cdn.lookastic.com/looks/blazer-crew-neck-sweater-crew-neck-t-shirt-large-105471.jpg)
![Olive Wool Blazer](https://cdn.lookastic.com/olive-wool-blazer-original-440082.jpg)
![Navy Crew-neck Sweater](https://cdn.lookastic.com/navy-crew-neck-sweater-original-400860.jpg)
![White Crew-neck T-shirt](https://cdn.lookastic.com/white-crew-neck-t-shirt-original-386478.jpg)
![Brown Chinos](https://cdn.lookastic.com/brown-chinos-original-465120.jpg)
![White Canvas Low Top Sneakers](https://cdn.lookastic.com/white-canvas-low-top-sneakers-original-10384459.jpg)
For something more on the off-duty end, consider this combo of a navy crew-neck sweater and a crew-neck t-shirt. Throw white canvas low top sneakers in the mix and you're all done and looking amazing. So as you can see, this combo is a really great option, especially for unpredictable fall weather, when the temperature is getting lower. Rock this getup to uphold a mature image.