This combination of a cardigan and a blue long sleeve shirt looks classy, but in a modern way.
Blue Long Sleeve Shirt with Cardigan Smart Casual Outfits For Men
Breathe a classy touch into your daily arsenal with a cardigan and a blue long sleeve shirt. Introduce a pair of dark brown leather casual boots to the equation and the whole outfit will come together wonderfully.
This combo of a cardigan and a blue long sleeve shirt can only be described as outrageously dapper and casually polished.