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 52 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 exceptional comfort, breathability, and moisture-wicking properties. The soft, lightweight, and non-itchy merino wool fabric keeps the user cool and dry, even during intense physical activities or long periods of wear. Many report the underwear dries quickly and resists odor. The fit is generally true to size, though some prefer sizing up for fuller coverage. Overall, the product is considered a high-quality, versatile, and durable option.
AI-generated from the text of customer reviews.
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Selecting an option will reload the available reviews on the pageSeptember 16, 2025
My favorite daily underwear
This underwear is soft and is the right shape for my booty and doesn’t ride up and give me a wedgie. I’m usually a small and the small fits perfectly. The merino means I can work hard and sweat and it doesn’t stink, and it keeps me healthier down there. I can just as easily wear these in my daily life or playing in the backcountry. They hold up well and I’ve had no durability issues.
Originally reviewed on ExpertVoice.com
September 15, 2025
Great product, very comfortable.
The fit and fabric quality was great. I had read online to size up if you were on the edge based on measurements and that was correct for me. Typically between an XS and S. Went with the small and they are perfect. This item is good for anyone looking for nature underwear. They are thick enough to last well but thin enough you could wear them even in hot climates. If you want the ditch the plastic underwear try these.
Originally reviewed on ExpertVoice.com
September 13, 2025
Durability Issues
Similar to the other Siren products from Icebreaker, these seem to have durability issues. The pros are fantastic: comfortable, moisture-wicking, and anti-odor. However, the wool blend appears to be very thin where pilling is occurring, and some parts are getting very see-through. I'm not sure how long these will last. Moreover, they easily lose their shape and go from hugging my body to riding up by the second day of continuous use.
Originally reviewed on ExpertVoice.com
September 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
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 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 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
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