When should I wear coats?
Seconde Perspective offers you a large choice in second hand Coats.
Coats can be in Wool or Cotton. Wool Coats are way much warmer, and can actually perfectly fit with a nice sweater.
Also you can go back to Outerwear for men to choose among every items.
What jacket should I buy ?
If you want a more formal jacket you can look for Blazer and Suits.