How to Choose Base Layers

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Spun from merino wool, this Icebreaker heavyweight base layer top helps regulate your body temperature. Mesh zones provide breathability during high-intensity pursuits.
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View all Icebreaker Women's Base Layer Tops| Best Use | Multisport Fitness |
|---|---|
| Shirt Type | T-shirt |
| Fabric | 100% merino wool |
| Moisture Wicking | Yes |
| Quick Drying | Yes |
| Underwear Weight | Heavyweight |
| Sleeve Length | Long Sleeve |
| Thumbholes | Yes |
| Gender | Women's |
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I rotated through two of these shirts almost every day for a month while completing my WEMT in Wyoming in the winter. I was grateful for how well it wicked sweat without getting stinky and I found it to be pretty versatile depending on what I layered with it. The sleeves were also long enough, which isn’t always the case for someone who is 5’10”!