Siren Thong - Women's
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Why We Like The icebreaker Siren Thong
From the yoga studio to the trail, the icebreaker Siren Thong keeps us covered with merino wool's natural odor-fighting, sweat-wicking power while staying discreet under our tights.
Details
- Woolly thong to remove underwear lines from your activewear
- Merino wool blend manages temp, moisture, and odor
- Stretch construction moves with you
- Item #ICE00HN
- Material
- 83% merino wool, 12% nylon, 5% Lycra
- Cut
- thong
- Anti-Odor
- natural attribute of merino wool
- Activity
- casual, running, training
- Manufacturer Warranty
- 1 year
Reviews
Q&A
What do you think about this product?
Overall Rating
5 based on 36 ratings
Review Summary
Fits Slightly Small
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.Here's what customers have to say
The product is highly regarded by customers for its comfort, breathability, and odor-resistance. Many reviewers praise the merino wool fabric, saying the underwear is soft, breathable, and suitable for all-day wear, including during physical activities. While a few find the gusset to be slightly small, the overall consensus is that this is a high-quality, worthwhile investment.
AI-generated from the text of customer reviews.
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Selecting an option will reload the available reviews on the pageAugust 26, 2025
A thong so great you will forget you're wearing it
[This review was collected as part of a promotion.] I'm a yoga teacher and I move a lot. This thong makes me forget I'm wearing underwear. Ha! That's a good thing. I love that it's merino. The band is good, it lays flat, and doesn't pinch. There is no scratchy tag! Thank you!! The thong is not itchy and it doesn't slip, slide, or bunch. It washes easily in the sink or washer on cold and dries within a day on a dryer rack. Next to going commando, these are the next best thing. Expensive? Yes. And they are truly worth it. Icebreaker is the best. But I've already bought 3. One more and I'll be able to rotate throughout the week with no problem.
Originally reviewed on icebreaker.com
August 2, 2025
Great fit and comfort in a thong!
[This review was collected as part of a promotion.] I wore these for a week-long hiking trip and absolutely loved them! Super comfortable, wicking, and quick dry after handwashing. Will definitely buy more - thanks for a great product! :)
Originally reviewed on icebreaker.com
July 31, 2025
The best out there
[This review was collected as part of a promotion.] I originally purchased 3 black for rowing, and came back years later to buy more in nude to wear with white linen pants and other more transparent bottoms. Very happy with the cut and quality of the old pairs and hope the new are the same. For reference I am 5'-5", 130-135 lbs, 40" hips and 30" waist, athletic/curvy build.
Originally reviewed on icebreaker.com
July 25, 2025
Comfy
[This review was collected as part of a promotion.] I've only worn these twice but they're comfy and fit well. Fitted but not too tight. Size S -a 26/27 waist/size 2-4. The pink is pretty. My only complaint-that long tag!
Originally reviewed on icebreaker.com
July 23, 2025
Praise Jesus a merino wool thong that works! Buy them all
[This review was collected as part of a promotion.] This product is PERFECT! I have not yet found a thong merino or not as comfortable 100% buy these, I'll be getting more. 5'5" 135-140lbs.
Originally reviewed on icebreaker.com
June 20, 2025
I would buy 100 of these
[This review was collected as part of a promotion.] I wear these every day, and especially for running. They fit perfectly, they are easy to wash, they are seamless under clothes. The pink color is super cute.
Originally reviewed on icebreaker.com
June 17, 2025
So good
[This review was collected as part of a promotion.] After buying some merino underwear from a competitor who advertised to me on social media, I almost swore off wool undies. Their underwear were scratchy and too bulky. But I love the wicking quality, so I gave icebreaker a shot and I'm super glad I did. I'll buy more - I don't ever want to work out in synthetic underwear again after wearing these.
Originally reviewed on icebreaker.com
June 14, 2025
Best Underwear
[This review was collected as part of a promotion.] Love this underwear. It has the exact cut I want and is perfect for summer or year round. I'm slowly collecting as many as I can. Love seeing the new seasonal colors!
Originally reviewed on icebreaker.com
June 6, 2025
Everyday favorite
[This review was collected as part of a promotion.] So comfortable that I do not intend to buy another type of bra again, especially if more cute colors are on the way
Originally reviewed on icebreaker.com
May 26, 2025
Breathable and comfort
[This review was collected as part of a promotion.] Love it when hiking, freedom of movement, fresh feeling after a long day on the trail
Originally reviewed on icebreaker.com
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