A Court of Thorns and Roses™ (ACOTAR) is a bestselling romantic fantasy book series by author Sarah J. Maas™. Set in the world of Prythian, the series follows humans and faeries through stories of love, power, loyalty, and adventure. With more than 85 million English-language copies of Sarah J. Maas™ books sold worldwide and over two million ACOTAR-related posts on TikTok, the series has become a global phenomenon with a passionate fan community.

The limited-edition ACOTAR™ x Knix collection brings the Courts, characters, and defining moments of A Court of Thorns and Roses™ to life through original silhouettes and exclusive prints across lingerie, sleepwear, and Knix’s signature leakproof underwear.

The collection introduces five new silhouettes inspired by characters and unforgettable moments from the series:

• The Nesta™ Silver Flames Corset, inspired by Nesta’s unyielding strength and fire
• The Court of Nightmares Lace Teddy & Sheer Skirt, designed to layer together, recreating Feyre's unforgettable turn in the Court of Nightmares
• The Starfall Slip & Robe brings Feyre's Starfall night to life
• The Elain Lace Thong Bodysuit & Sheer Skirt, which captures Elain’s quiet power
• The Amren™ Satin Slip & The Morrigan™ Satin and Lace Slip, signature pieces inspired by Amren's and Morrigan's distinct personas

The partnership marks Knix’s first book-inspired collection and was born from a shared fandom across its team and community. More than 40 ACOTAR™ fans within Knix helped shape the collection, while the brand’s social community overwhelmingly named ACOTAR™ as its most-wanted collaboration. The result is a collection created by fans, for fans, with every detail grounded in the books.

The limited-edition ACOTAR™ x Knix collection brings the Courts, characters, and defining moments of A Court of Thorns and Roses™ to life through original silhouettes and exclusive prints across lingerie, sleepwear, and Knix’s signature leakproof underwear.

Full collection drops at 12 AM EST on October 15, 2026. Be the first to shop the collection - sign up here to get notified when it drops.