Icebreaker Women's Siren Bikini
Icebreaker Women's Siren Bikini
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Icebreaker

Icebreaker Women's Siren Bikini

Icebreaker Women's Siren BikiniIcebreaker Women s Siren BikiniIcebreaker Merino Women s WMNS Siren Bikini Black XS

Key item features

  • WOMEN'S WOOL BIKINI UNDERWEAR: Perfect for daily wear or kicking back after a long day outside, this stretch-blend underwear features a flattering slim fit and forward set seams for all-day comfort
  • WOOL UNDERWEAR FOR WOMEN: This wool bikini brief features jersey corespun fabric & nylon fibers for added strength, durability & next to skin softness Crafted of 83% merino wool, 12% nylon, 5% elastane
  • MERINO WOOL LAYERS: Stay warm from head to toe in Icebreaker outdoor clothing gear Keep heads covered on the mountains, slopes, trials & lakeside with wool beanies, balaclavas, scarves, chutes & headbands
  • WOOL & CASUAL: Whether skiing, camping, hiking or daily wear, Icebreaker provides clothes for men, women & children - keeping the whole family covered in jackets, beanies, scarves, sweaters, pants, leggings, underwear & more wool clothing
  • ICEBREAKER LONGEVITY: We use 85% merino wool & less synthetic material than the traditional outdoor standard With multi-purpose & timeless clothing our natural alternative to synthetics enhances the relationship between people & nature
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Customer ratings & reviews

4.4 out of 5 stars
stars68 ratings51 reviews
How item rating is calculated
  1. 5 stars74% (50)
  2. 4 stars9% (6)
  3. 3 stars10% (7)
  4. 2 stars3% (2)
  5. 1 star4% (3)

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Showing 1-3 of 51 reviews

Jul 6, 2025
Jonsey
5 out of 5 stars review

Seller Verified Purchase

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!

Review from icebreaker.com
Helpful?4LD8VX99XXP1192635445
Oct 24, 2024
Isla
5 out of 5 stars review

Seller Verified Purchase

Upgrading my top drawer

[This review was collected as part of a promotion.] I love these - they stay put, they are comfortable and they last. I wish they came in more "fun" colors like coral or teal. How about a discount when you buy 3 in any color not just black or tan?

Review from icebreaker.com
Helpful?4LD8VX99XXP1192635445
Sep 3, 2025
Merino Fan
5 out of 5 stars review

Seller Verified Purchase

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.

Review from icebreaker.com
Helpful?4LD8VX99XXP1192635445