Now that summer has begun, how do we keep our sartorial cool once things start getting sticky? Why with stylish lightweight , summer blazers, of course! We like to leave one of these jackets in the office to throw on when the air conditioning is cranked a little too high, for unexpected client meetings, or for a business lunch. They’re also a perfect solution for a breezy night out at a sidewalk cafe, or a casual weekend wedding or party. For The Manual.