To put together a relaxed casual ensemble with a modernized spin, you can easily rock a grey knit turtleneck and dark green cargo pants. If you wish to immediately polish off your outfit with one piece, why not add brown leather brogue boots to your ensemble?
Grey Knit Turtleneck with Brown Leather Brogue Boots Outfits
If you're a fan of stay-in clothes which are stylish enough to wear out, pair a grey knit turtleneck with black skinny jeans. You could perhaps get a little creative in the footwear department and lift up your ensemble by finishing with a pair of brown leather brogue boots.