Underdays Avis 

Really comfy undies and very efficient service

This underwear lives up to the hype, so comfortable, no slippage and great styles and colours.

They're so soft and I love the colours! I especially enjoy the work out thongs, so good! Looking forward to the new colours coming out soon :)

Love the brand, underwear is soft and comfy and has a great fit, colour options are great although I miss the blush colour

I like this brand, I like them a lot.
It feels like though they don’t like me and girls like me who love high waisted pants 🤷🏻‍♀️
Most of the new colours don’t go on the high waisted pants, not the colourful sets as well.

The quality is great so I’m like a dumb girl coming back for the black/grey ones, crumbs of attention that I’m still pecking like a dove.

My daughter and I discovered Underdays on Instagram and we’re now complete converts! We absolutely love the comfort and quality of your underwear — it’s perfect for both the gym and everyday wear. The fit is so flattering and soft, it feels like it was made just for us.
Our only wish is that the high-waisted styles came in more colours, because they’re our favourite! We’re just about to place another order so we can swap out all our old underwear for Underdays.
Thank you for creating something that’s both stylish and comfortable — we’re obsessed! 💕

Love the high waisted , so comfortable .
I recently ran a half marathon and wore under days , no rubbing at all . Have starting buying the everyday for my teenage daughters .
Please more colours in the high waisted .

Had the underwear for about a year now - always wash and dry as per the instructions. They started off comfortable. But now, the seams are folding, which cut into my skin and cause a lot of discomfort, and some stitching coming undone. The workout thong has never looked seamless, creates a 'muffin top' look under Lululemon Align leggings.

Don't trust their advertising - I've had M&S pants that have lasted A LOT longer, more comfortable, and are still in perfect condition. And a lot cheaper.

The underwear is so much more comfortable, super buttery, barely there vibes. I've have slowly been switching out my old knickers and especially love the high waisted at night time. Would highly recommend anyone to make the switch. Definitely worth the price!

I bought some of the underdays for my daughter after seeing your ad on instagram. She did laugh, but…. Once she’d tried them, loved how comfy they were and I now buy for both my daughters!!

A lovely company with amazing items. I love this company and cannot recommend them enough! The quality of the items is great and they are so comfy, I will never go back to supermarket underwear. I love the limited edition colours and the embroidered sets.

I have been telling everyone I know to buys these. They are so well made. All of the pairs I have bought have lasted great wash after wash. I have bought as gifts for my knicker wearing relatives and they love them too. The size range is great and I find them to be true to size too. I only found the website whilst looking for a company that made knickers with a longer gusset, as I was fed up with the high street stores ( probably male designed) knickers. I am so glad to have found these absolute gems and have been buying them ever since, having thrown out all my other knickers. They are so soft & comfortable to wear no stupid labels or any other irritations. Do not hesitate to buy, even if they are pricey they are worth it.

Although not advertised for running, I bought some workout thongs for running (I hate lined shorts, far too hot and uncomfortable). These are a revelation. I’ve used them on many runs now, up to four a week and distances up to 20 miles, very comfortable and keep you cool. Lasting well too, only issue with first pair I put them in the washing machine and stitching went bobbly. Simple solution, just wash them by hand, no further problems. Now my go to underwear for running.

After just one year, the stitching is all falling out, the top looks 15 years old, not one. It looks like it’s completely fallen apart and is unwearable. Don’t believe any of the sustainability or high quality claims from this company, it’s rubbish and goes to show in the fact they have such a short warranty on their clothes.

I started buying underdays underwear a few years ago. Yes, they are pricey to say the least but the quality is exceptional. It’s the softest underwear I have ever tried. It’s so comfortable for everyday wear. They sell out of some sizes quite quickly but that doesn’t bother me too much. They have a variety of underwear to choose from. I only purchase the thongs and I love the quality so much that I will continue to repurchase. The fit of the thongs are true to size. I’m a size UK6 and purchase the XS. I’ve thrown out all of my cheap thongs and replaced them with underdays underwear.
Communication has been great every time I have emailed their customer service team. Overall I would recommend this brand to everyone.

I love these pants!!! Can’t wear anything else now. True to size. Comfy. Sustainable. Great comms and service. Fast delivery (I live in the middle of nowhere).
I don’t think they should go in the tumble dryer, will be more cautious with that in future.

Amazing underwear!!!! I can’t praise them enough. Incredibly comfortable, soft and best of all, they have done wonders for me. Restored my confidence!!!!!!! Worth every single penny.

Order was not received, and no news from their team. Very disappointing.

The best undies ever!! I’ve made two orders from Under Days in a month and I can’t rate them highly enough. Well worth paying the extra penny and shipping to Australia

The quality of the items has dropped significantly. I’ve bought your panties many times before, and all my previous purchases were amazing. But this time, they started to pill after the first machine wash, and the elastic became warped. I’m really disappointed and not planning to buy more. This is especially frustrating because I truly loved your products before and had been a loyal customer for several years.