This outfit is great for a colder day at the office. The addition of the zip sweater is a common look you see in finance and tech. Pairing together a green checkered button down shirt and navy chinos is a good example of matching different colors and patterns. the belt and shoes match a similar shade of brown, which is always a good idea. The chino brand is one of the best selling items, and can be worn with almost anything. Another idea might be to pair the checkered shirt with a colored pant. All of these options create a great, conservative and professional business casual outfit.