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686 Huf Plantlife Base Layer Long Sleeve Top 90% Polyester • + 10% Spandex• Stretch Fabric

Ditch the gloomy base layers and electrify your on-mountain style with the Airblaster AB Base Layer Top. This top boasts vibrant prints that banish base layer boredom, and it's built...

It's hard to beat THE ORIGINAL. This is the one-piece hooded base layer that started it all, developed to virtual perfection over the course of nearly 20 years of testing...

2210gsm hollow-core fleece has an exceptional warmth-to-weight ratio, is soft, breathable, designed to minimize shedding, and made with recycled content Low-profile laminated pocket at thigh stows small essentials Patterned and...

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...

Light, versatile stretch fleece pullover with exceptional next-to-skin comfort. A light layer for cool conditions – or high output in colder weather – the packable, comfortable Kyanite Lightweight Zip Neck...

Between growth spurts and back-to-back activities, tweens need a base layer that adapts just as fast as they do. The Evolver Crewneck is designed for the in-between years—with stretch, breathability,...

Somewhere between kid and teen, comfort gets complicated. The Evolver Base Layer Pant is built for this in-between stage—lightweight, stretchy, and durable enough to handle changing sizes, shifting temps, and...