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SistersRepublic Rabattcodes & Verified Deals – September 2026

Looking for the latest SistersRepublic Gutscheincodes? As of September 2026, our team has manually verified 17 offers for Sidonie Periodenunterwäsche, Colette Periodenslip. Browse current Rabattcodes, working discounts, and exclusive deals, while expired offers are regularly removed.

SistersRepublic offers 0 coupon codes and 17 deals as of September 2026. Today's top offer: Get 10% Off With SistersRepublic Newsletter Signup. Codes are verified and updated daily.

10%
OFF
Get 10% Off With SistersRepublic Newsletter Signup

Subscribe to the newsletter and receive a discount on your next order. This offer is for new subscribers.

Up to
20%
OFF
Up to 20% Off Select Period Underwear Bundles

Discounted pricing is available when purchasing specific multi-pack sets. This includes 3-pack and 5-pack options.

15%
OFF
Save 15% on Your First SistersRepublic Order

New customers can receive a discount on their initial purchase. This applies to all period underwear products.

Expires Oct 02, 2026
$30
Only
Shop Teenager Periodenunterwäsche for Less Than $30

Discover Teenager Periodenunterwäsche options available under a specific price point. This includes various designs.

12%
OFF
12% Off All High-Waist Periodenunterwäsche Styles

A discount is applied to all High-Waist Periodenunterwäsche. This covers various absorbency levels.

From
$22
Bikini-Unterhose Perioden Starting From $22

The Bikini-Unterhose Perioden is available from a specific low price. This includes various styles.

15%
OFF
Save on SistersRepublic 7-Pack Period Underwear Sets

Discounted pricing is available for the 7-pack Period Underwear Sets. This provides a week's supply of protection.

10%
OFF
Earth Day Savings: 10% Off All Baumwoll-Periodenslips

Celebrate Earth Day with a discount on all Baumwoll-Periodenslips. This promotes sustainable choices.

20%
OFF
Bundle & Save: 20% Off Perioden-Bademode Sets

Combine Perioden-Bademode items and receive a percentage off the total. This offer applies to specific bundles.

From
$65
Sidonie Periodenunterwäsche Multi-Packs From $65

Purchase Sidonie Periodenunterwäsche in discounted multi-pack formats. This offers a cost-effective way to stock up.

Up to
10%
OFF
Nacht-Periodenslip Deals: Save Up to 10%

Find discounts on Nacht-Periodenslip for overnight protection. This offer applies to various absorbencies.

$24
Only
Colette Periodenslip Now Starting at $24

Find the Colette Periodenslip at a reduced starting price. This deal is applicable to various sizes and absorbencies.

10%
OFF
Ginger Periodenhöschen Now 10% Off All Sizes

All sizes of Ginger Periodenhöschen are currently discounted. This applies to various absorbency levels.

Expires Sep 19, 2026
Up to
15%
OFF
Perioden-Bikini and Swimwear Up to 15% Off

Selected Perioden-Bikini and other swimwear items are offered at a reduced price. This is a seasonal promotion.

15%
OFF
Get 15% Off Sport-Periodenunterwäsche Styles

All Sport-Periodenunterwäsche is currently discounted. This helps customers stay active comfortably.

Expires Oct 05, 2026
15%
OFF
Student Discount: 15% Off Sustainable Period Products

Verified students can save on all period underwear and related accessories. Proof of student status is required.

Expires Oct 12, 2026
Free Shipping
Free Shipping on Orders Over $75 Across the Site

Receive complimentary shipping for purchases exceeding the minimum spend. This offer is valid for all items.

Customer Reviews

4.5
Average Rating
4
Total Reviews
Steve Y.
★★★★★
1 month ago

Reliable as always

This is my third order from SistersRepublic, and they're consistently good. I usually get the Sidonie Periodenunterwäsche, but this time I tried the High-Waist Periodenunterwäsche for overnight. The quality is still there, just like my previous purchases. They wash well and hold up over time. Delivery was smooth, no issues there. It's why I keep coming back, I know what I'm getting.

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Sam Kim
★★★★☆
2 months ago

Mostly good, one small issue

I ordered a few pairs, including the Sport-Periodenunterwäsche and a couple of Colette Periodenslips. The sports pair was great for workouts, no leaks at all. The Colette slips were also very comfortable. Delivery took a bit longer than I hoped, about 8 days to reach California, which was a minor annoyance. The sizing was accurate though, and the quality seems decent for the price. I just wish shipping was a bit faster.

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Dana Z.
★★★★☆
2 months ago

Good value with the set

I was looking for a cost-effective way to switch to period underwear. I grabbed a 3-pack set of the Colette Periodenslip. The discount for buying the set made a real difference, saved me a good chunk compared to buying them individually. Shipping was free too, which always helps the budget. Felt like I got a solid deal for what I paid.

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June
★★★★★
2 months ago

Comfy period undies

So I finally decided to try period underwear, and got the Ginger Periodenhöschen. They were actually pretty comfortable, way more than I expected. Delivery took about a week to get to me in Florida, which was fine. The fit was good, and they did the job without any fuss. Happy with it.

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SistersRepublic Community Discussion

Share tips, ask questions & help fellow shoppers save more

C
Chris Ito
1 month ago

Anyone know how long shipping usually takes to, like, Berlin? Need a few pairs before my next cycle starts.

K Kevin Torres 1 month ago
From my experience, usually 3-5 business days. Pretty standard for within Germany.
5
O Omar N. 4 weeks ago
I got mine in about 4 days to Hamburg last month, so Berlin should be similar. You'll probably get a tracking link too.
4
7 Responses (2)
O
Omar Nguyen
1 month ago

Hey, thinking about trying these out. How's the sizing typically run? Should I size up or down if I'm usually between sizes?

C Carly M. 1 month ago
I found their size guide super helpful actually, matched my measurements perfectly. Stick to that and you should be good.
1
R Rachel Romero 1 month ago
Yeah, pretty true to size for me. I wouldn't size up unless you really prefer a looser fit, the fit is key for them to work properly.
4
6 Responses (2)
R
Rachel S.
1 month ago

Are these really good for heavy flow? I've tried some other brands (looking at you, Ooia) and they just didn't hold up.

K Kevin Marsh 1 month ago
I have their heavy flow ones and they're surprisingly good. Definitely better than some others I've tried where I felt like I was going to leak.
1
B Ben 1 month ago
Yeah, I use the overnight ones even during the day for my heaviest days and they've been solid. No leaks so far, which is a huge win for me after using Modibodi for a while.
0
6 Responses (2)
A
Amber S.
4 weeks ago

Can you actually use more than one discount code at checkout? I have a new customer one and a free shipping code.

B Brett Bennett 4 weeks ago
Nah, usually just one discount code per order. But sometimes the automatic set discounts can be combined with free shipping, so check that.
0
M Marcus Romero 4 weeks ago
I tried that once and it only let me use one. It's usually either/or for the regular codes.
1
2 Responses (2)

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