When it comes to your sleepwear, an oversized t-shirt and an old pair of sweats shouldn't cut it. Up the ante of your slumber style in one of these relaxed silhouettes. Rendered in graphic prints and soft silks, you'll want to live in these sophisticated pajama sets all winter long.

Cassandra PJ Set ($175)

Lillian Pajama Set ($388) in Fiery Red

Crepe Satin PJ Set ($80) in Teal

Cuddle Satin PJ Set ($69)

Silk Ribbon Bow-Print Pajama Shirt ($100) and Pants ($90)

Button Down Pajamas ($165) in Geo Crosswalk

Perfect PJ Top ($40) and Pants ($35) in Polish

Boyfriend PJ Top ($168) and PJ Pants ($158) in Pink Plaid Multicolor (available mid-to-late January)

Long-Sleeve V-Neck Pajama Shirt and Pants ($79 each) in Fuchsia

Striped Shirtdress ($70) and Gifting Boxer Short ($40)

The Fireside Long Jane Pajamas ($40) in Black/White Animal

Soft & Cozy Ribbed PJ Set ($50) in Poster Red

Gisele PJ Set ($120) in Black

Noir Nightshirt ($123) and Noir Pajama Pants ($151) in Black/Cream