Lightweight Base Layer

Discover the ultimate lightweight base layer collection designed for optimal comfort and performance. Crafted from breathable, moisture-wicking fabrics, these layers provide essential insulation without bulk, making them perfect for any activity. Ideal for layering under your favorite gear, they ensure you stay dry and comfortable in varying temperatures. With a range of styles and fits, our lightweight base layers offer flexibility and ease of movement, allowing you to focus on your performance. Elevate your outdoor adventures with the perfect foundation for your active wardrobe.

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38 products
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Smartwool Men's Intraknit Thermal 1/4 Zip
  • Black

Smartwool Men's Intraknit Thermal 1/4 Zip

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WAS: $155.00*

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SmartWool Men's Classic Thermal Merino 1/4 Zip Base Layer
  • Mink Color Shift
  • Charcoal/Honey Gold
  • Winter Moss Summit Soul

SmartWool Men's Classic Thermal Merino 1/4 Zip Base Layer

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WAS: $120.00-$145.00*

Smartwool Women's Merino 250 Baselayer Top

Smartwool Women's Merino 250 Baselayer Top

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WAS: $115.00*