Researchers have unveiled a newly designed smart heating fabric that can heat up to 54 degrees warmer using only sunlight.

And while the plaid style is reminiscent of colder seasons, this shirt can still work year-round thanks to the lofty fabric.

To help you find the softest, warmest flannel shirts, we asked fashion stylists for their tips on shopping for flannel shirts and their favorite styles.

These cooling, breathable shirts will keep you from unsightly sweat stains on your underarms and are made with stretch fabric that's easy to move in and resists wrinkles. Our top pick is the ...