Lux Cotton Nightshirt

$ 49.00
Find your perfect fit

Made of the best and finest American Made cotton modal fabric.  Mix and match with our long underwear or Shortlettes for the most exceptional lounge time. 

  • Lightweight, cool, breathable, Cotton Fabric
  • Beautiful lace trim details
  • 46% Cotton 26% Modal 4% Spandex, cotton gusset
  • Machine wash cold, like colors.  Tumble dry low. Do not bleach.
  • Made in the USA

We want you to love your Undersummers undergarments and be comfortable.  If your first purchase of a Shortlette or Undergarment isn’t quite right, we will send you one free replacement. *Offer excludes Clearance or Final Sale Items.

Pre-paid returns (USA only): Simply send back your items for return with your prepaid return label, only unworn garments (clean & new with hang tags intact). We do apply returns to the tender it was purchased, record of sale is required (order number). Gift card returns will be issued back to a gift card.


  • Items ineligible for return/refund/exchange:
  • Gift Cards
  • Grab Bag
  • Clearance Items (Final Sale)
  • Free Gifts
  • Worn garments or items not in original condition.
  • Garments over 30 days old.

Click here to learn more about Undersummers Returns

At Undersummers we want women to LOVE their thighs! CarrieRae Munson is the founder and creator of the Original Shortlette® anti thigh chafing solution to wear under skirts and dresses. Undersummers Shortlettes are lingerie-inspired anti thigh chafing slip shorts made to protect your thighs all day and night. Quality is in the details with silky soft fabric, beautiful laces, and unique designs which function beyond your wildest dreams. CarrieRae doesn't stop there - she selects beautiful colors and playful prints to make these your all time go-to favorite underpinning.

Our mission is to help women love wearing dresses. Dresses and skirts are feminine, pretty, and powerful. We offer fabulous Shortlettes®️ to provide comfort and confidence.

"I want women to love wearing dresses. Dresses are fun, flirty, and a confidence booster.  We make undergarments that help make that possible!"  CarrieRae, Founder of Undersummers.

Our process: We listen at Undersummers. All of our new products are the result of customer feedback and customer requests.  Don't be surprised to get an email directly from CarrieRae - she reads your emails in an effort to stay connected to your wants and needs. Some current examples of products requested by customers are the launch of the Fusion Shortlette, our full coverage Shortlette Rash Guard Slipshort in a 5X and the Maternity Line Sized Small-4X. We also happen to be one of the few companies on the market to size so inclusively. 

Size Chart

We recommend ordering based on your measurements.  If in between sizes, order the smaller size.
Shortlette Size Chart
Size (USA) Waist (in) Hip (in) Size (USA) Waist (cm) Hip (cm)
Small 30-31 37-38 Small 76-79 93-97
Medium 32-33 39-41 Medium 81-84 99-104
Large 34-36 42-45 Large 86-91 106-114
X-Large (1X) 37-38 46-49 X-Large (1X) 93-96 116-124
2X 39-42 50-53 2X 99-107 127-134
3X 43-48 54-57 3X 112-122 137-144
4X 49-53 58-61 4X 124-134 147-154
5X 54-58 62-66 5X 137-147 157-163


Dress Bust Size Chart:

Size (USA) Bust (in)
Small 37
Medium 39
Large 42
XL 44
2X 48
3X 54
4X 58
5X 61


Youth Size Chart:

Size (USA) Waist (in)
X-Small 21.5-23
Small 23-24
Medium 24-25
Large 26-27

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