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Made for cold days and mixed output activities, the women's Arc'teryx Kyanite base layer bottoms provide freedom of movement and have a soft, brushed interior that traps heat to keep...

The descendant of our first technical base layer created in 1985, ME Chamois has developed a reputation for being the most reliable, durable under layer made by our company. The...

Your go-to for classic base layer, Micro-Elite Chamois is synonymous with the Hot Chillys brand. The descendant of the first technical baselayer created in 1984, ME Chamois has developed a...

Warmth starts at the core and getting the layering right is critical to a comfortableday outdoors and in the mountains. Our evolved layering system caters to differenttemperatures and different intensity...

Warmth starts at the core and getting the layering right is critical to a comfortableday outdoors and in the mountains. Our evolved layering system caters to differenttemperatures and different intensity...

Heavyweight, fleece backed, body hugging legging with natural wicking properties. CONTENT: 85% Nylon, 15% Elastane https://www.nils.us/fitting-room

Made just for babies, these pull-on pants are made of warm, soft 100% recycled microdenier polyester fleece and can be worn alone or as a midlayer. Made in a Fair...

We've updated our Men's Merino 250 Base Layer Bottom to bring you a better fitting, more functional tight. The technical benefits of 100% Merino wool will help you keep your...