A thermal onesie purpose-built for women who consider every season paddling season, the NRS Expedition Union Suit features a fleece interior, stirrups, gasket-friendly cuffs and a dropseat.

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Purpose-built for advanced insulation and unrestricted mobility, the men's NRS Expedition Weight base layer shirt layers seamlessly under drysuits, helping paddlers hit the water in cold conditions.

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When conditions call for maximum insulation, the men's NRS Expedition Weight union suit delivers. Cozy yet breathable, this paddling-specific design offers unrestricted mobility even under a drysuit.

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As solid and dependable as its namesake rock formation in Colorado, the men's Artilect Flatiron 185 crew is durable yet comfortable and made for effortless, reliable performance in harsh conditions.

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Named for the rock formation in Boulder, the women's Artilect Flatiron 185 base layer crew top is a great companion for getting vert or counting off switchbacks. It's soft, breathable and warm.

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An ideal base layer for getting vert or counting off switchbacks, these men's Artilect Flatiron 185 leggings provide soft, breathable warmth while you explore outdoors.

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An ideal base layer for getting vert or counting off switchbacks, these women's Artilect Flatiron 185 leggings provide soft, breathable warmth while you explore outdoors.

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Offering up personalized comfort, the men's Artilect Flatiron 185 Quarter-Zip base layer top gives you warm, fast-drying wool and a zipper that lets you vent or add heat to your core.

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Kari Traa Floke base layer pants blend fine merino wool with tech fibers to create a soft, medium-weight fabric with good warmth, natural odor resistance and breathability for cold-weather activities.

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Providing warmth, natural odor resistance and breathability for cold-weather activities, the Kari Traa Floke base layer top blends fine merino wool with tech fibers for a soft, medium-weight fabric.

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Inspired by trail runners who complain of regular sports-bra straps digging into shoulders underneath hydration pack straps, the Oiselle Flyout bra solves for that while providing support and storage.

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Apparel should never be an obstacle. The Oiselle Flyout Zip bra has the same fit, coverage and rear pocket of the Flyout bra, but with a convenient and comfortable zip-front closure for easy on/off.

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A racerback compression sports bra for light-impact activities, the Kari Traa Froya's stretch fabric offers next-to-skin comfort and freedom of movement. Wool lining at front turns up the snug factor.

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When you're giving it all you've got, you need layers that work with you. The women's Kari Traa Fryd base layer pants dry fast, stretch with your body and reduce chafing.

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