Go for a straightforward yet polished choice by teaming a cardigan and a brown fair isle cardigan. All you need now is a nice pair of dark brown suede casual boots.
Dark Green Henley Shirt with Cardigan Outfits For Men
If you like comfort dressing, choose a cardigan and a dark green henley shirt. For footwear, you can go down a more classic route with a pair of brown leather derby shoes.