Siren Bikini Underwear - Women's
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Why We Like The Siren Bikini Underwear
Quick—ring the alarm! Someone notify the comfort police that the Icebreaker Women's Siren Bikini Underwear is the new sheriff in town. Crafted with an ultralight merino wool combined with a touch of Lycra, these full coverage bikini undies put a practical and comfortable spin on your run-of-the-mill bikini silhouette with their low rise and full coverage. Additionally, merino wool naturally kicks unsavory odors out the door so you won't feel quite as stinky after having run 15 miles through the local trail system.
Details
- 83% merino wool, 12% nylon, 5% Lycra
- Naturally anti-odor
- Low rise with full coverage
- Item #ICE00HO
- Responsible Collection
- Responsibly Sourced
- Material
- 83% merino wool, 12% nylon, 5% Lycra
- Cut
- hipster bikini
- Anti-Odor
- natural attribute of merino wool
- Manufacturer Warranty
- 1 year
Reviews
Q&A
What do you think about this product?
Overall Rating
4.5 based on 49 ratings
Review Summary
Fits True To Size
Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.Customer Images
Here's what customers have to say
The product is praised for its comfort, breathability, and moisture-wicking properties. Reviewers find the fabric to be soft and lightweight, keeping them dry and odor-free even during intense activities. The fit is generally true to size, though some may need to size up for more coverage. While a few miss the previous style, customers are overall very satisfied with the quality and performance of the underwear.
AI-generated from the text of customer reviews.
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Selecting an option will reload the available reviews on the pageSeptember 12, 2025
The fabric wears out very very quickly and develops holes easily. The sizing is also small and the bikini style doesn’t sit right in this cut.
Originally reviewed on ExpertVoice.com
September 5, 2025
Great product. Runs big though. Used on a canoe trip in the wilderness. Easy to wash while out camping and dried quickly.
Originally reviewed on ExpertVoice.com
September 3, 2025
Perfect merino undies!
[This review was collected as part of a promotion.] I've learned that merino underwear are essential for travel. Unlike cotton underwear that usually don't dry overnight and need assistance of a hair dryer (if available), merino underwear are dry and ready in the morning. We only need to have two pairs-- one to wear, one to wash. I like the fit, comfort, and color of the Siren Bikini.
Originally reviewed on icebreaker.com
September 3, 2025
Love these undies!
[This review was collected as part of a promotion.] I love these undies. This is not my first review for them. This color is a little muted, but that's probably a good thing to add to the collection. Highly recommend for fit and comfort- five stars.
Originally reviewed on icebreaker.com
September 2, 2025
Best Underwear
I have 5 pairs of these and wear them when doing anything active or traveling. They are lightweight, quick dry, breathable, everything you want in an underwear. I am 5'5, 135 and got size medium, they fit perfect. I wish all my underwear were wool!
Originally reviewed on ExpertVoice.com
September 1, 2025
Cute & Comfy
[This review was collected as part of a promotion.] I was hesitant about merino wool at first but have become the biggest fan! Perfect for a hike or everyday wear
Originally reviewed on icebreaker.com
August 22, 2025
Awesome!
[This review was collected as part of a promotion.] First time buying from Icebreaker and I'm a huge fan!
Originally reviewed on icebreaker.com
August 17, 2025
Look hot, stay cool
It's August in New York City, and between the humidity, heat, and summer thunderstorms, it was feeling swampy outside - and in my pants. I decided to depart from my go-to synthetic seamless VS bikini bottoms and try these. I followed the size chart: I am a 36.5" hip, I went with the Small. (I am a XS in VS) I like my underwear snug, I like a high cut leg with thin sides, I don't like VPL. These passed the test. I could wear these with a lacy bra and you couldn't tell they were wool underwear. Nice thin material, breathable. Looking forward to wearing these all year-round.
Originally reviewed on icebreaker.com
July 6, 2025
Best backpacking underwear
[This review was collected as part of a promotion.] I'm hiking the Colorado trail on a thru-hike and these are the most comfortable, odor resistant underwear. Highly recommend them!
Originally reviewed on icebreaker.com
June 28, 2025
Excellent purchase
[This review was collected as part of a promotion.] I've worn these on several trail runs and am in love. They are so lightweight I forget I'm wearing them. They do offer less coverage than some styles, but I personally like that and appreciate that it's a smaller cut but not a thong. For reference I bought a size small and I'm a 26-27 waist/size 2-4. Five stars, definitely ordering more. And the purple color is beautiful.
Originally reviewed on icebreaker.com
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