Skip to top navigation
Skip to my shopping bag
Skip to main content
Skip to footer links
Extra 15% off orders over $150 with code 15FOR150 💸 Until April 6 —
Shop nowicebreaker Siren Thong - Women's
The Siren Thong
Icebreaker created the women’s Siren thong as a minimalist underwear that offers soft and simple comfort thanks to its blended merino wool design. It uses Corespun fabric, which are nylon fibres wrapped in merino wool to deliver additional strength and durability while still retaining a breathable next-to-skin feel. This thong also features forward-set side seams and bulk-free design to improve its chafe-free comfort during both activities and for daily wear.
- Blended merino wool thong
- 83% merino wool
- Corespun nylon fabric
- LYCRA® for stretch
- Forward set side seams
Ready for More Choices?
Discover the widest selection of outdoor gear and apparel, with 30-day hassle-free returns on Altitude-Sports.com




Reviews
4.9
Based on 201 reviews.
Comfort
Reviewers consistently highlight the comfort of these underwear, praising their softness, lack of irritation, and all-day comfort. Many note that they forget they're even wearing them.
Mentioned by 95% of reviewers.
Quick Drying & Breathability
Users appreciate how quickly these underwear dry, making them ideal for travel, sports, and everyday wear. The breathability of the merino wool is also commended for keeping users dry and comfortable.
Mentioned by 85% of reviewers.
Fit & Size
Most reviewers find the fit to be true to size and comfortable. Some mention that the waistband can be a bit tight initially but stretches over time. A few reviewers suggest sizing down if between sizes.
Mentioned by 65% of reviewers.
- Reviews (189)