THATDAY Katrina high-rise period proof panties combine reliable medium flow protection with a clean, sporty look. The high-waisted fit offers a secure, supportive feel, while contrasting trim gives the design a modern finish. Available in versatile colours, Katrina is an easy everyday choice when you want comfort with a little more structure.
Built-in absorbent protection helps manage menstrual flow, discharge and everyday leaks. These reusable period proof panties are suitable for medium flow days and feel secure from morning to evening, whether you are at work, travelling or relaxing at home.
• high-rise fit for a secure and supportive feel;
• suitable for medium flow days;
• hygienic and hypoallergenic;
• breathable and comfortable fabric;
• available in several easy-to-wear colours.
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.
Black colour - size L
Green colour - size S
Beige colour - size S
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.
Nu jau pāris mēnešus lietoju tās esmu starā par šīm biksītēm.
Ērtas, viegli kopjamas. Pārsteidz, cik uzsūcošas biksītes ir, tehnoloģija vienkārši super. Pēc pieredzes dienā tāpat noder, ja ir 2/3 pāri, ko var mierīgi rotēt, bet citādi ir ļoti ērti, labi un DROŠI. Vismaz nav nācies pēc 3 mēnešu lietošanas saskarties ar noplūdi.
Tās ir lieliskas! 😍 Man divas jau bija vairāk kā gadu un tagad nopirku vēl. Liels paldies Jums!
Nevaru vairs iedomāties savu dzīvi bez ThatDay!
Labas, ērtas biksītes. Vairāk lietoju kā ikdienas.
Liels paldies, ka Latvijā radāt tik lielisku sabiedroto sievietei un dabai draudzīgu produktu – ThatDay mēnešreižu biksītes. Lietoju kopš 2023.gada un neesmu vīlusies. Nekad vairs neatgriezīšos pie higiēniskām paketēm.
Ērtas,drošas,elegantas. Īpašajās dienās,ja vari justies ērti un pasargāti,tas ir lieliski.Noteikti iesaku izmēģināt,pārliecināsieties,ka tas ir to vērts.Paldies
Es tiešām neticēju šim produktam. Nopirku draudzenes iedvesmota, ķeksīša pēc. Un teikt, ka manas domas pārmainījās pilnībā, būtu nepateikt neko. Šīs biksītes ir kas fenomenāls un neaprakstāmi labs. Mēnešreižu dienas kļuva par pilnīgi parastām dienām, bez raizēm un ierobežojumiem! Wow!
Пользуюсь этими трусиками уже 3 года. И я в восторге! Были дни, когда не было возможности переодеться и сменить трусики, и знаете что, НИЧЕГО НЕ ПРОТИКАЛО НИКОГДА!
3 пары оптимальный вариант:) и можно забыть про прокладки и тампоны. ЭКОНОМИЯ!
Pirmo reizi 30 gadu laikā, esmu atradusi perfekto mēnešreižu produktu! Nekad mūžā neesmu jutusies tik ērti, brīvi un mierīgi kā ar šīm biksītēm. Noplūdes nav (diennaktī izmantoju 3 biksītes), viss perfekti pieguļ, sajūtas ērtas, nav vispār nekādu mīnusu!