Why not try pairing a cardigan with light blue ripped jeans? As well as totally comfortable, these two items look good when paired together. For shoes, you can stick to a classier route with brogues.
Brogues with Cardigan Casual Outfits
This combo of a cardigan and charcoal cargo pants is impeccably stylish and yet it looks functional enough and ready for anything. Go off the beaten track and shake up your outfit by finishing off with a pair of brogues.
A cardigan and navy skinny jeans are a relaxed combo that every modern guy should have in his casual sartorial arsenal. You could follow a more elegant route with shoes by slipping into brogues.