How to Choose Base Layers

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Take on the cold weather on your next adventure with the warmth of the Smartwool Classic Thermal Merino hoodie. The heaviest-weight base layer from Smartwool, it has a high neck and hood for coverage.
Shop newer version| Best Use | Multisport |
|---|---|
| Shirt Type | Mock / Turtleneck |
| Fabric | Wool |
| Moisture Wicking | Yes |
| Underwear Weight | Midweight |
| Sleeve Length | Long Sleeve |
| Gender | Men's |
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