Cotton String Bikini
Your favourite silhouette, now period-proof. Comfort meets style, designed to keep you dry and confident any day of your menstrual cycle.
Everyday chic silhouette with absorbent layers built-in.
Gusset: regular 17cm for breathability and comfort; cotton jersey surface for extra comfy
Made with BCI cotton.
Body: 95% cotton
5% elastane
Gusset: 100% cotton
Inner gusset: 90% cotton 10% polyester
Machine washable.
Tumble dry low.
Do not iron, bleach or dry clean.
All Relief products are PFAS-free.
String bikini fit, mid to low rise
Size:
XS, S, M, L, XL, XXL
Free Shipping Details
Enjoy free shipping to these regions with a minimum order value:
- Europe, USA, Canada, Japan, and Australia: Free on orders over €59
- Mainland China, Hong Kong, and Taiwan: Free on orders over €49
Delivery Times
- United Kingdom & USA: 7–10 business days
- Most EU countries: 8–12 business days
- Australia: 5–8 business days
- Japan: 4–6 business days
- Mainland China, Hong Kong & Taiwan: 2–4 business days
Taxes & Duties
We’ve got you covered—taxes are pre-paid at checkout by Relief.
Returns
We accept returns for unopened packages with the safety seal intact, within 30 days of delivery. Choose a full refund or store credit for your next purchase.
Your favourite silhouette, now period-proof. Comfort meets style, designed to keep you dry and confident any day of your menstrual cycle.
Everyday chic silhouette with absorbent layers built-in.
Gusset: regular 17cm for breathability and comfort; cotton jersey surface for extra comfy
Made with BCI cotton.
Body: 95% cotton
5% elastane
Gusset: 100% cotton
Inner gusset: 90% cotton 10% polyester
Machine washable.
Tumble dry low.
Do not iron, bleach or dry clean.
All Relief products are PFAS-free.
String bikini fit, mid to low rise
Size:
XS, S, M, L, XL, XXL
Free Shipping Details
Enjoy free shipping to these regions with a minimum order value:
- Europe, USA, Canada, Japan, and Australia: Free on orders over €59
- Mainland China, Hong Kong, and Taiwan: Free on orders over €49
Delivery Times
- United Kingdom & USA: 7–10 business days
- Most EU countries: 8–12 business days
- Australia: 5–8 business days
- Japan: 4–6 business days
- Mainland China, Hong Kong & Taiwan: 2–4 business days
Taxes & Duties
We’ve got you covered—taxes are pre-paid at checkout by Relief.
Returns
We accept returns for unopened packages with the safety seal intact, within 30 days of delivery. Choose a full refund or store credit for your next purchase.
Leakproof TLC
Leakproof TLC
PRE-WASH
Give them a quick rinse or soak in cold water to keep stains from setting. (Psst! Regular soap isn’t their BFF—it can mess with the gusset’s wicking magic.)
WASH
Give them a quick rinse or soak in cold water to keep stains from setting. (Psst! Regular soap isn’t their BFF—it can mess with the gusset’s wicking magic.)
DRY
Hang them up to air dry or use a low-heat tumble for most styles. (Important: Seamless styles must be air-dried only to keep them in perfect shape!)
Your questions, answered
Leak-proof underwear are basically regular underwear with an innovative built-in gusset to absorb your flow of the cycle while keeping you fresh and dry. They are reusable and machine washable, and feel just like regular underwear.
In general, if you’re a tampon or menstrual cup user, start by getting 2-3 light absorbents as a back-up and for lighter days. If menstrual underwear is the only thing you use, you’ll need 4-7 pcs in total to cover the whole cycle, depending on your flow.
With proper care, your Relief underwear can last 2-3 years, as long as the absorbency is still effective and the underwear keeps its shape.