Say goodbye to sacrificing aero performance for the sake of carrying  your essentials

a technology that reduces rotational forces on the brain

Functional DriRelease combined with 100% Wool optimizes the benefits of warmth and a quick-drying material

There's a built-in powder skirt and integrated Lycra cuffs to seal out snow

Adjustable compression straps

Arc'teryx Kyanite Womens Baselayer Zip 2025 Size:M Say goodbye to sacrificing aeroOverview Versatile, durable Polartec Power Stretch Pro base layer top for mixed output in cold conditions. Our warmest base layer zip neck. Product features Polartec Power Stretch Pro combines a highly durable nylon face with a soft, comfortable, moisture wicking brushed polyester interior Deep front zipper provides rapid ventilation, makes on and off easy Zippered sleeve pocket secures small essentials Comfortable trim fit aids thermal efficiency,