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ACOTAR™ x Knix

The Morrigan™ Satin and Lace Slip

$125.00 USD

Sold Out

Limited-edition ACOTAR™ x Knix collection

Stretch satin

Lace bodice

Choker wrap detail

Color: Deep Red Limited Edition

Size:

True to Size

•

Size:

Size and Fit Guide

Estimated Shipping: Oct 21-30
Get It Before It's Gone

ACOTAR™ x Knix

Get It Before It's Gone

This 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. Shop the Collection

Return Policies

Returns

Returns

Sale & Last Call

Items discounted 30% and below are eligible for size exchange or store credit. Items discounted above 30% and above are final sale – no refunds, store credits, or exchanges can be accommodated.

Free Returns

Knix covers the return shipping fees for exchanges and refunds initiated through our Return & Exchange Portal. Exchange orders initiated through our Return & Exchange portal are also eligible for free shipping within the USA and Canada. Please note, the shipping fees on your original order are non-refundable.

Return Policy

Return policy varies by product, please check if your item is refund or exchange eligible by viewing our full policy here.

Rewards Members Earn 125 Points

Part of the limited-edition ACOTAR™ x Knix Collection

Inspired by Morrigan™, known for her power, beauty, and the truth she wields without apology, this slip balances elegance and edge and is made to stand out.

Stretch satin skims the body over a soft yet structured lace bodice, while a draped cowl neckline, choker wrap detail, and high slit create a striking silhouette that exudes confidence.

Morrigan™ and ACOTAR™ are trademarks of Fireheart Inc. ©2015-2026, Sarah J. Maas.

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How to Choose?

Essential

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

Heavy

  • • Extra peace of mind. For the first days of your cycle, light bladder leaks, or a full night's sleep without a leak.
  • tsp
    about 8-14 tsp
  • pad
    about 1.5-3 regular pads
  • tampon
    about 4-7 super tampons
  • cup
    about 1.5-3 menstrual cups

Light

  • • Daily freshness. For sweat, discharge, period spotting, or backup protection.
  • tsp
    about 1-3 tsp
  • pad
    about 1-3 pantyliners
  • tampon
    about 1-3 regular tampons
  • cup
    about 0.5 menstrual cups

Moderate

  • • For mid-cycle flow, surprise cough or sneeze leaks, or a really sweaty spin class.
  • tsp
    about 4-8 tsp
  • pad
    about 1-1.5 regular pads
  • tampon
    about 2-4 super tampons
  • cup
    about 0.5-3 menstrual cups

Ultra

  • • Ultimate peace of mind. For the heaviest period days, light bladder leaks, unexpected postpartum flow, or overnight protection.
  • tsp
    about 15-20 tsp
  • pad
    about 1.5-2.5 super pads
  • tampon
    about 7-11 super tampons
  • cup
    about 2-3 menstrual cups
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

4.8
Rated 4.8 out of 5 stars
Based on 10 reviews
100%would recommend this product
ComfortRated 4.8 on a scale of 1 to 5
FitRated 0.0 on a scale of minus 2 to 2
Keywords
Keywords
Rating
Ratings
Height
Height
Usual Pant Size
Usual Pant Size
10 reviews
  • Rated 5 out of 5 stars
    Yesterday
    Literally the hottest I’ve ever felt

    I was SO excited when I saw this collab announced, and really fell in love with the Morrigan dress when I saw pictures. Ordered it right away, and I am so glad I did! It’s so special and well made, and it fits like a glove. I’ve never felt as sexy in anything as I feel in this dress, I absolutely love it!

    MC Profile picture for Mickaela C.
    Mickaela C.
    Verified Buyer
    Reviewing
    The Morrigan™ Satin and Lace Slip
  • Rated 4 out of 5 stars
    12 hours ago
    Between sizes, should have sized down

    Looking at the size chart I was between a medium and a large. I don't usually do go with the larger size, but I opted to as I was concerned with the lace and button back and the slip not hanging nicely. I should have went with the medium as it is obviously baggy around my mid section making it lose its shape. Overall I love the slip, the colour is stunning, the deep cowl neck is sexy but not overly revealing for a C cup. Bustier ladies might have an issue, especially if you have a short torso and the cowl and wait are a tad low.

    M
    Morgan
    Reviewing
    The Morrigan™ Satin and Lace Slip
  • Rated 5 out of 5 stars
    Yesterday
    So stunning

    This is certainly a WOW piece. I feel gorgeous in it!

    JH
    Jennifer H.
    Verified Buyer
    Reviewing
    The Morrigan™ Satin and Lace Slip
  • Rated 5 out of 5 stars
    Yesterday
    Everything and more

    I was skeptical about how this would fit but I have to say this is the most beautiful dress that I own now. I love how it feels and fits, I would definitely size up just in case though.

    CC
    Casey C.
    Reviewing
    The Morrigan™ Satin and Lace Slip
  • Rated 4 out of 5 stars
    2 days ago
    Phenomenal

    This dress is super comfortable, flattering and endlessly adjustable! I wish the cowl neck was a bit less pronounced, but otherwise I'm super happy with my purchase.

    ML
    Megan L.
    Verified Buyer
    Reviewing
    The Morrigan™ Satin and Lace Slip
  • Rated 5 out of 5 stars
    2 days ago
    Beautiful

    Love this so much. It’s so beautiful. Also fits nicely

    JM
    Jenn M.
    Verified Buyer
    Reviewing
    The Morrigan™ Satin and Lace Slip
  • Rated 5 out of 5 stars
    5 days ago
    Never felt so sexy

    I normal wear a M++ and M bottom but with satin I decided that going with a L would be perfect and I was correct. Everything fits like a glove and it makes me feel amazing. Great quality and very comfortable. Its a beautiful cherry rather than deep red or burgundy. I am about 5'3 or 5'4 with a 28 ½ inseam and the dress is almost floor length on me. 100/10 would recommend to anyone wanting to feel pretty or sexy. I dont even like dresses!

    HB
    Hael B.
    Verified Buyer
    Reviewing
    The Morrigan™ Satin and Lace Slip
  • Rated 5 out of 5 stars
    5 days ago
    Stunning! No Notes!

    This dress is everything I wanted it to be! It is absolute perfection on, looks fantastic, and I'm so glad I made this purchase. I was a little concerned that ordered up to fit my bust would make the rest baggy but it is breathable without looking unflattering. I ordered a XXL - I'm 5'7", wear a 40D, and size 12 jean.

    KE
    Katie E.
    Verified Buyer
    Reviewing
    The Morrigan™ Satin and Lace Slip
  • Rated 5 out of 5 stars
    6 days ago
    Gorgeous slip dress

    This is everything I hoped it would be. Needs a good steam, but flows beautifully and is very comfortable.

    ST
    Silke T.
    Verified Buyer
    Reviewing
    The Morrigan™ Satin and Lace Slip
  • Rated 5 out of 5 stars
    6 days ago
    Everything I was hoping for

    Saw an ad for this dress and I immediately fell in love. So happy it looks as good in person as it does online

    MA
    Melissa A. P.
    Verified Buyer
    Reviewing
    The Morrigan™ Satin and Lace Slip

Your ACOTAR™ x Knix questions, answered.