![Grey Sweater Vest with Blue Jeans Casual Fall Outfits For Men In Their 30s: This pairing of a grey sweater vest and blue jeans is clean, stylish and super easy to copy. Why not add dark brown leather chelsea boots to this getup for a dash of polish? This combo is a pretty good pick, especially for autumn, when the temperature is falling. This ensemble should erase any doubts you had about wearing casual clothes in your 30s.](https://cdn.lookastic.com/looks/denim-jacket-sweater-vest-turtleneck-large-96006.jpg)
![Blue Denim Jacket](https://cdn.lookastic.com/blue-denim-jacket-original-442782.jpg)
![Charcoal Sweater Vest](https://cdn.lookastic.com/charcoal-sweater-vest-original-11417430.jpg)
![Dark Brown Knit Wool Turtleneck](https://cdn.lookastic.com/dark-brown-knit-wool-turtleneck-original-11656313.jpg)
![Navy Ripped Jeans](https://cdn.lookastic.com/navy-ripped-jeans-original-9153585.jpg)
![Dark Brown Leather Chelsea Boots](https://cdn.lookastic.com/dark-brown-leather-chelsea-boots-original-9659566.jpg)
![Dark Brown Herringbone Flat Cap](https://cdn.lookastic.com/dark-brown-herringbone-flat-cap-original-4559988.jpg)
This pairing of a grey sweater vest and blue jeans is clean, stylish and super easy to copy. Why not add dark brown leather chelsea boots to this getup for a dash of polish? This combo is a pretty good pick, especially for autumn, when the temperature is falling. This ensemble should erase any doubts you had about wearing casual clothes in your 30s.