Active Base Layers

If you're prepping for an epic day on the mountain or crag, layer on the Marmot Polartec Baselayer Men's Tights. Constructed with midweight fabric for e
If you're prepping for an epic day on the mountain or crag, layer on the Marmot Polartec Baselayer Men's Tights. Constructed with midweight fabric for extra warmth under your gear, their flatlock seams keep you comfortable during long days of wear. A horizontal flip-out fly offers easy access, while the gusseted crotch on this pair of athletic tights increases mobility. Unlike other men's leggings or thermal tights, this pair offers built-in UPF 50 that provides extra protection from the sun.

When you combine Merino wool with TENCEL™ Lyocell fibers, you get a performance fabric with a number of comfort-inducing benefits, including softness

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One of the best parts of Smartwool base layers is that they help reduce some of the uncomfortable distractions intense activity can produce. Our

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LIFA® ACTIVE is a performance base layer, delivering superior moisture management and lightweight insulation for all your outdoor activities. These

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