Underdays Reviews 104

So comfortable and flattering - will be buying more!

I’ve honestly struggled for ages to find underwear that feels comfortable, doesn’t irritate me, and actually sits right, so discovering Underdays has been such a game changer for me. What I find great about this underwear is the attention to detail — from the larger gusset to the extra seam, which allows me to move around without constantly needing to readjust. They’re so comfortable that I ended up throwing out all my old underwear and replacing it with Underdays — no regrets at all.

recently tried Underdays women’s underwear and I’m genuinely impressed. The quality is outstanding—the fabric feels incredibly soft, breathable, and comfortable enough for all-day wear. The fit is flattering without digging in or riding up, which is surprisingly hard to find. I especially love how supportive yet lightweight they feel, giving a smooth, seamless look under clothes. If you’re looking for comfortable, high-quality everyday underwear that still feels a little luxurious, I’d highly recommend Underdays. They’ve quickly become a staple in my drawer!

The product itself is amazing and I couldn’t be happier with the workout things themselves.

I have had numerous issues with multiple orders though. Missing items, one order not showing up at all, not able to fulfil order after order made. Each issue they have tried to rectify but not a great experience.

I have extremely sensitive skin that’s allergic to elasticized materials—so most underwear makes me break out in bumps. These are by far some of the most comfortable pairs I’ve ever had. Summer will be the real test, but so far, I’ve worn them without issue. And they look great, to boot!

I have been buying Underdays for years - now my underwear drawer is almost completely only Underdays. I love everything about them - the fit, the style and the colours. The workout range is also amazing - went to a sauna recently wearing them and my skin was absolutely dry underneath.

Bought several thongs for my wife, she loves the fit and materiel. Highly recommend. They look amazing.

Sent a used pair of underwear in my first order. Sent a picture of the opened packaging, hair on the pants & lifting protective film, and they won't send a replacement ? Next to little apology. My first & last experience of the underdays. All you had to do was send a replacement single pair of pants, but no, refused. Very poor customer service.

I am so happy I found Underdays - I will never have to go another day with worrying about my underwear! Soft, breathable, supportive and comforable all day long.

Very good quality, wash well and are great for moisture wicking. Don’t buy any others now

I love Undersays! I workout 6 days a week and don’t wear anything else since finding these. They stay in place, no riding up or falling down- they are light, comfortable and super cute!

The workout thong was really dissapointing, drop front which means there's no support across the lower tummy area which is nice to have when working out. I ordered two different colours but only needed to try the one pair to decide they wernt for me. I parceled them back up & returned them the same day, that was 17th March, to date I have still not received my refund. I've returned items to Cider & Shein since then & had my refunds long ago! Not ideal.

Lovely material and good fit .
Only problem is there is not enough material to cover bum cheeks and you end up pulling them down from bunching into your bum .
I’m a slim size 10 so don’t have a big butt to cover and still they slip .

Good quality underwear, very fast delivery, and fits me perfectly. Will always buy from underdays!

My girlfriend loves this underwear, so much so that she has thrown all her other ones out! They are also a very helpful company with excellent customer service!

I was looking for a new brand of underwear when I found underdays…I now have switched over to this brand. Very comfortable, light, cool feeling. I particularly like the editions with contrast stitching and will buy more pairs when the next set comes out. Service is quick. My only comment would be to reduce packaging.

Their underwear are the only underwear that make me feel comfortable but sexy at the same time. I would lovee if they made swimwear too - I feel so confident!

Bought the workout thong that promised no camel toe for running under leggings. I am a size 10 but bought the medium to ensure a good fit. Completely unfit for purpose. It is a thin, skimpy, narrow, flimsy scrap of material with fancy stitching that does does not offer adequate cover, let alone stay in place even when walking. Save your £18 and don’t be robbed like I was. The company only offers an £8 discount on another ridiculously overpriced product.

I’ve now converted my entire underwear drawer to Underdays, once I tried them there was no going back. The material is unmatched, the fit is great and I’m always looking out for new collections and colours. I couldn’t recommend them more!

90% of my underwear is now Underdays. I originally gave it a try after seeing it on Instagram. I then found I always gravitated towards wearing them because they are very comfortable.

Delivery is always fast and I like that each pair come individually wrapped which feels like tiny presents for yourself.

The range of colours keeps me repurchasing. My only tiny issue is the stitching on the workout thongs isn’t as high quality as the others for the price, but this doesn’t affect their wear.