The KYANITE BASELAYER BOTTOM W is Arc’teryx’s warmest base layer, built for cold days and stop-and-go activities.
Polartec Power Stretch Pro fleece moves with you for unrestricted freedom, while the brushed interior traps warmth during rest or freezing conditions.
A smooth nylon face offers durability and comfort under layers, and a zippered thigh pocket keeps small essentials secure.
