Siren Tank Top - Women's
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Icebreaker Siren Tank Top
Pull on the Icebreaker Women's Siren Tank Top when you want to stay cool on Indian-summer days, relax in the backyard hammock, or work on your slackline skills. Made with lightweight, breathable merino wool fabric that naturally resists odor buildup, the Siren Tank feels silky-light and doesn't get stinky when you work up a sweat. Thanks to its slim fit and feminine scoop neck, the Siren Tank layers nicely beneath a sweater or flannel during chilly evenings around the campfire.
Details
- Item #ICE1404
- Responsible Collection
- Responsibly Sourced
- Material
- 96% merino wool, 4% Lycra (150g/m²)
- Fit
- slim
- Style
- tank
- Anti-Odor
- natural attribute of merino wool
- Manufacturer Warranty
- limited lifetime
Reviews
Q&A
What do you think about this product?
Overall Rating
4 based on 22 ratings
Review Summary
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Selecting an option will reload the available reviews on the pageSeptember 5, 2025
Wore a couple times but didn’t like that the fabric is an itchy and see-through. Usually wear a small but this was tight so would recommend sizing up.

Originally reviewed on ExpertVoice.com
September 2, 2025
Great breathable underlayer
Highly recommend this tank top. I wear it under layers, or as a standalone shirt. It's not see through, very breathable, quick dry and doesn't stink. I'm 5'5 and 135 lbs, I got size medium.

Originally reviewed on ExpertVoice.com
June 7, 2025
Size is misleading
[This review was collected as part of a promotion.] My size medium fits like an extra small. Really disappointed.
Originally reviewed on icebreaker.com
April 25, 2025
One of my favorite icebreaker items
I have one of these Siren Tanks almost all the colors. I wear one of them as an undershirt under sweaters and sweatshirts almost every day.
Originally reviewed on icebreaker.com
April 18, 2025
Great
[This review was collected as part of a promotion.] This a great tank. It's thin fabric though, so I bet some colors would be see through and it really is better for layering under another piece. I sized up to a large from a s-m for a looser fit and it was the right choice. It drapes and doesn't hug. I have a broad shoulders and a big rib cage for my size.
Originally reviewed on icebreaker.com
April 11, 2025
One of many Siren tanks
[This review was collected as part of a promotion.] I normally wear these tanks tops under another shirt. I often need just a little bit more than tshirt at my office, and this is perfect.
Originally reviewed on icebreaker.com
April 3, 2025
I wish it was 100% merino
[This review was collected as part of a promotion.] I have a few of these tank tops and wear them to the gym. They work great. Maybe the straps are slightly too long (on the XS size). I wish they were 100% merino wool; they would be perfect then. Unfortunately, the threads aren't cotton! Please offer more colors!
Originally reviewed on icebreaker.com
April 3, 2025
I love this top. I wore it over and over this winter underneath my base layers, as additional warmth for my core. It was a nice addition and helped with my layering system without adding a lot of bulk. I've been really happy with the quality of Icebreaker products!

Originally reviewed on ExpertVoice.com
March 15, 2025
Love this!!!
[This review was collected as part of a promotion.] I absolutely love this base layer tank top! I'm maybe going through perimenopause (?) and am having random night sweats. I wanted to start sleeping in something that would be cozy and warm but isn't long sleeved or too heavy or would otherwise make the night sweats worse. This tank has been great! While it's high quality I do feel it is overpriced considering it's a tank top. I'll buy more when they're on sale.
Originally reviewed on icebreaker.com
March 14, 2025
Nice color
[This review was collected as part of a promotion.] I bought this for an undershirt and was suppressed at the size of it. Seemed smaller than usual (size M), but alright for wearing under other shirts. Kind of short too. It'll work, but a little less than expected.
Originally reviewed on icebreaker.com
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