theunderdays.com

3.9
3.9 Based on 21 reviews

Underdays is an underwear brand that is redefining underwear through wellness. We started with a simple belief: anything that touches your most intimate parts should never be an afterthought. You shouldn’t have to choose between comfort, style, or health,...

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Average Rating

3.9

/
5

21 Reviews

5 Star
64%
4 Star
5%
3 Star
5%
2 Star
0%
1 Star
27%

All Reviews

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Review Time

Caroline Nordin
Just received my order. The grey underwear looks nothing like in the pictures and adverts. They are

Just received my order. The grey underwear looks nothing like in the pictures and adverts. They are really see through. So overpriced. Not worth it!

1
Date of experience: Feb 17, 2026
Julianne Johnson
Stock Availability Frustration

I expressed my frustration in September 2025 about finally finding a well-fitting style, only to learn that sizes XL and XXL in any color have been out of stock for six months. It’s now almost a year. Why continue to advertise all sizes when there seems to be no intention to restock XL or XXL? Just be honest about not offering those sizes anymore. Stop claiming you're waiting for stock and cease suggesting alternative styles in XL when I'm specifically looking for the cheeky fit.

1
Date of experience: Jan 17, 2026
Sol Baker
Frustration with Stock Availability

I shared my dissatisfaction in September 2025 about finally finding a well-fitting style, only to find that sizes XL and XXL in any color have been unavailable for six months. Now, it's nearly a year. Why continue to promote all sizes when it’s evident there’s no intention to restock XL or XXL? Just be upfront about not carrying those sizes anymore. Stop claiming you're waiting for stock and refrain from suggesting alternative styles in XL when I'm specifically seeking the cheeky fit.

1
Date of experience: Jan 17, 2026
Alaina
These Pants Are Amazing

I absolutely love these pants. I've purchased them for all my daughters and replaced my own collection with them! I cannot recommend them highly enough.

5
Date of experience: Jan 13, 2026
Fantastic Knickers

These knickers are wonderful, and the customer service is excellent! After seeing a few ads, I decided to order and I'm so glad I did! The material is lovely, the colors are beautiful, and the fit is fantastic. They offer various styles to suit different preferences and sizes. The size guidance is accurate—the medium fits me perfectly. With each order, I add another pair, starting from two to three, and now four! The packaging is compact, easy to recycle, and shipping is very fast. I’m thoroughly impressed.

5
Date of experience: Jan 06, 2026
zelwen97462
Obsessed with This Underwear

I absolutely love this underwear. I have six pieces and two tank tops. I've worn them for work, running half marathons, and workouts. They are so comfortable and soft. Don’t hesitate to purchase!

5
Date of experience: Dec 30, 2025
CP11
Pants Everyone Loves

I love these pants! My daughter adores them and often takes mine. They are comfy, soft, and fit great.

5
Date of experience: Dec 29, 2025
Malachi
Adorable and Loved

I bought some a year ago and love them. I got the week set for a trip and also got some for my daughters-in-law for their stockings this Christmas—they love them too!

5
Date of experience: Dec 26, 2025
Kirsteen L.
Excellent Product Quality

The product quality is outstanding; they are incredibly comfy and fit perfectly. I won’t use any other underwear!

5
Date of experience: Dec 26, 2025
Trisha Smith
Top-Notch Underwear

So lightweight, breathable, and comfortable—excellent quality.

5
Date of experience: Dec 26, 2025

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Business Details

  • Underdays is an underwear brand that is redefining underwear through wellness. We started with a simple belief: anything that touches your most intimate parts should never be an afterthought. You shouldn’t have to choose between comfort, style, or health, so we reimagined underwear with you in mind.

    At Underdays, self-care is built into everything we do. We’re led by women, designed with our community, and backed by science. From fabric to fit, every every choice is intentional. Our pieces are made with breathable materials, OEKO-TEX® certified and free from anything harmful. Always soft. Always flattering. Made to move with you. This is underwear that becomes a ritual. Never an afterthought.
    See more

  • language https://theunderdays.com

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