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Super Leakproof® Dream Boxer™

Home / The Autumn Court / Super Leakproof® Dream Boxer™

ACOTAR™ x Knix

Super Leakproof® Dream Boxer™

$48.00 USD

Coming Soon • Oct 15

Limited-edition ACOTAR™ x Knix collection

Absorbs about 7-8 super tampons

Optimal overnight protection

Machine washable

Text on Image: No leaks to interrupt sleep. No more stained sheets. Super soft, pajama-style fit

ACOTAR™ x Knix

Super Leakproof® Dream Boxer™

$48.00 USD

Coming Soon • Oct 15

Limited-edition ACOTAR™ x Knix collection

Absorbs about 7-8 super tampons

Optimal overnight protection

Machine washable

Absorbency: Heavy

Size:

Relaxed Fit

•

Which COURT are you? TAKE THE QUIZ

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Part of the limited-edition ACOTAR™ x Knix Collection

Our best-selling overnight period protection in an exclusive ACOTAR™ print.

Inspired by the Autumn Court and Lucien’s fox mask, a flame-tailed fox moves through falling leaves in a display of fire and motion. Bold and energetic, this print reflects a court defined by heat, instinct, and transformation.

Comfort-First Fit

Combining a loose-fitting boxer with an internal brief for discreet Leakproof protection. Designed to be worn as both loungewear and overnight protection.

Worry-Free Protection

Designed with a built-in leakproof liner that fits snug to the body, it helps lock in leaks from every angle, even as you toss and turn.

Heavy Absorbency

Absorbs up to 8 super tampons. Great for heavy flow days, overnight protection, and light bladder leaks.

Easy to Wash

Machine washable, just like your regular underwear.

ACOTAR™ is a trademark of Fireheart Inc. ©2015-2026, Sarah J. Maas.

Machine Washable

Wash with like colors on a cold cycle using a mild detergent. Do not bleach, dry clean, or iron. Tumble dry on low.

Fabric

Body: 48% Polyester, 47% Rayon from Bamboo, 5% Spandex; Liner: 96% Cotton, 4% Spandex; Fresh Fix Technology® Gusset: Gusset 1: 92% Polyester, 8% Spandex; Gusset 2: 95% Polyester, 5% Spandex; Gusset3: 95% Polyester, 5% Spandex; 100% Polyurethane

Additional Product Ingredient Information

• Days you don’t need leak protection. Everyday freshness and moisture wicking.

0 tsp

• Extra peace of mind. For the first days of your cycle, light bladder leaks, or a full night's sleep without a leak.

about 8-14 tsp
about 1.5-3 regular pads
about 4-7 super tampons
about 1.5-3 menstrual cups

• Daily freshness. For sweat, discharge, period spotting, or backup protection.

about 1-3 tsp
about 1-3 pantyliners
about 1-3 regular tampons
about 0.5 menstrual cups

• For mid-cycle flow, surprise cough or sneeze leaks, or a really sweaty spin class.

about 4-8 tsp
about 1-1.5 regular pads
about 2-4 super tampons
about 0.5-3 menstrual cups

• Ultimate peace of mind. For the heaviest period days, light bladder leaks, unexpected postpartum flow, or overnight protection.

about 15-20 tsp
about 1.5-2.5 super pads
about 7-11 super tampons
about 2-3 menstrual cups

$150.00 USD

Coming Soon • Oct 15

ACOTAR™ x KNIX

Choose your Court. Choose your fantasy.

Explore the limited-edition collection of intimates, sleepwear, and apparel inspired by the characters who rule the realm.

The Night Court

Starry skies. Unforgettable Nights. Made for deep bonds and a little...spice.
Shop the Collection

The Spring Court

The Summer Court

Crew Embroidery Socks 2-Pack

$25.00 USD

Coming Soon • Oct 15

Your ACOTAR™ x Knix questions, answered.

What is ACOTAR™?

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.

Which Courts, characters, or themes inspired the collection?

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

Why did Knix decide to do a collaboration with this book series?

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.

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