How to Choose Base Layers

This Arc'teryx top is an exceptionally versatile base layer—you can wear it on ski tours, backpacking trips and climbing outings. It's made from soft merino wool wrapped around a durable nylon core.
Imported.
View all Arc'teryx Men's Base Layer Tops| Best Use | Multisport |
|---|---|
| Shirt Type | T-shirt |
| Fabric | Merino LYCRA® jersey, 18.5-micron, 240 g/m² 95% wool/5% elastane |
| Underwear Weight | Lightweight |
| Sleeve Length | Long Sleeve |
| Gender | Men's |
| Sustainability | Fair Trade Certified |
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