The Coldspark UltraDry™ is a high performance winter hiking boot that keeps feet warm, without the bulk. Stay on the move through winter with waterproof comfort and aggressive traction.
The Coldspark UltraDry™ is a winter boot engineered for hiking and other active cold weather pursuits. Retain, a unique heat reflective and breathable lining, and an UltraDry™ waterproof membrane keep feet comfortable while on the move during the winter.
A multi-directional outsole lug pattern maximizes traction in icy and wet conditions.
Free from cumbersome winter boots, there's no limit to where you can explore.