Our bestselling Karenia sweater puts a sophisticated spin on comfort. Shop all its seasonal colors and more on our gift guide at Theory.com.

Understated elegance with endless styling possibilities, the Strapless Dress in Admiral Crepe is a go-to for holiday festivities.

Cashmere is the ultimate everyday luxury. Head to Theory.com to shop all our softest styles.

Stand out in stripes this holiday season.

Our cropped take on the trench is proving to be this season's MVP - just ask Claire Rose. #InTheory

Simple, sleek, and chic. @mija_mija #InTheory #TheoryProject

Embrace fall's crisp mornings and warm afternoons with light layers to throw on and off as temperatures rise and fall.

Understated suiting that keeps you polished day to night. @weronikazalazinska #InTheory #TheoryProject

Smooth to the touch on both sides, our double-face wool cashmere is a luxurious and conscious choice for outerwear. #TheoryforGood

His and hers. Shop coats at Theory.com.

The Suffolk Coat: Exceptionally warm and luxuriously soft, this classic style is crafted in responsibly sourced recycled wool Melton.

Final layers make first impressions.

Shop the latest sweaters + coats in store and on Theory.com.

Lasting Impressions. Step into fall in luxe layers you’ll live in all season long.

Shop the latest sweaters + coats in store and on Theory.com.

Taking Monday in stride wearing the Wrap Trench Coat in Leather.

Theory Project by Lucas Ossendrijver | Silk Georgette Shirt and Wool Twill Pleated Skirt.

Photographed by Fede.daroma

Power pairings. #TheoryProject by Lucas Ossendjiver.

Classic, cool, and consiuously crafted - fall suiting never felt so Good. #TheoryforGood .

A relaxed trench in supple leather is the ultimate upgrade to your fall wardrobe.

Our iconic, leg-lengthening Demitria pant is now available in denim and more versatile than ever.

This season, rethink familiar shapes in elevated fabrications that take your look to the next level.