THATDAY Una high-rise period proof panties are designed for medium flow days when you want reliable protection with a sleek, feminine look. The high-waisted design offers a comfortable, secure feel, and the black and bordeaux colours make Una easy to wear every day.
Built-in absorbent protection helps manage menstrual flow, discharge and everyday leaks. These reusable period proof panties feel soft and comfortable throughout the day, helping you stay confident and worry-free from morning to evening.
• high-rise fit;
• suitable for medium flow days;
• available in black and bordeaux;
• hygienic and hypoallergenic;
• breathable and comfortable fabric.
These panties have an absorbency level of “medium” – meaning that the built-in protection in the gusset can absorb up to 4 tampon/pad’s worth.
Wear them until it feels comfortable, then just take them off and put the spare panties on, but the used ones in a zipper pouch and continue on rocking the world! Whenever possible the used panties rinse, wash and wear them again.
Attention – Wash before wearing! This will soften the fabric and provide better absorbency. Wash by hand or machine at 40°. Follow the instructions on care label.
Snowcat colour - size S
Bordo colour - size S
Bordo colour - size M
Black colout - size 3XL
Made with OEKO-TEX® certified fabrics.
Body: 80% polyamide, 20% elastane
Gusset: 100% polyester.

Buying a new product can often be worrying. We know THATDAY period panties are great and we’re confident in their effectiveness, but we want you to have peace of mind when making your first purchase, too. Therefore, if for any reason you are not satisfied with the product, you can return your order within 40 days of receiving it for a full refund (excludes shipping). Read more about the 40-day risk-free trial conditions by clicking on the picture.
* The 40-day Risk Free Trial is applicable only to the product purchased for the full amount!
** The 40-day trial period does not apply if the size proves to be too small after use. You can always request a change of size or model before use within 14 days of receipt.
We ship worldwide!
Orders are generally processed and shipped within 1-5 business days (Monday-Friday). Once your package has been shipped you will receive a confirmation email with your tracking information.
We offer customers to return purchased products for an Exchange, Store Credit or Refund. We will allocate Store Credit, Refund or Exchange the products within 14 days of receipt, provided that the product is still in perfect condition, unworn and with all tags attached.
Please note:
• Product color may slightly vary due to photographic lighting sources or your monitor settings.
• This model runs small, we recommend choosing one size up. Size XS is intended for teenagers as well as petite women.
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