13 Reasons a Blazer Is the Ultimate Day-to-Night Jacket

There may be no other piece in your closet that can lend instant polish the way a great blazer can. Don't just wear this J.Crew Parke Blazer ($288) to work; adding it to jeans and heels or over a minidress is an instantly sexy, sophisticated look for drinks after hours, too.

A longer blazer brings a bit more drama to a look, and we're on board. We love the way this longer Paris Georgia Francis Blazer ($834) looks with a minidress and tall boots.

This Smythe Duchess Wool Blazer ($695) is timeless. It's fitted to perfection, and gets its name because it's a favorite of Kate Middleton, the Duchess of Cambridge.

You can find a great blazer in a neutral color, but something more vibrant is really fun for the summer. We're into the blue hue of this Zara Oversized Blazer With Pockets ($119).

This The Frankie Shop Bea Oversized Fresco Suit Jacket ($341) is a bestseller, and it's always out of stock. It's supremely oversized, so we'd recommend sizing down, and it adds an instant cool factor to any look.

Warm weather's here, and a tan blazer is so chic in the summertime. We like this classic Zara Straight Cut Pocket Blazer ($119).

We love the proportions a cropped jacket can give to an outfit. Pair this Free People Block Party Crop Blazer ($148) with high waisted jeans or a sexy miniskirt.

A white linen blazer is a summertime staple. We like this tailored Zara Linen Blend Straight Cut Blazer ($149).

If you want to cinch in your waist, opt for a belted blazer. This fun vibrant pink Free People Olivia Blazer ($168) is awesome.

Want to elevate your look? A leather blazer is a must-have, and we like this sexy Alice + Olivia Denny Vegan Leather Blazer ($465).

This The Drop Blake Long Blazer ($70) has a single button, is a little long, and could be worn over everything from slacks and a button down to a slinky dress. Plus, it's size inclusive, which we love.

How fun is this Understated Leather Marlboro Fringe Blazer ($520)? It's very rock and roll, but still sophisticated and cool.

This sexy Zara Tied Cropped Blazer ($70) can be worn with nothing underneath. We like it paired with a high-waisted bottom.