The Coldspark UltraDry™ is a high performance winter hiking boot that keeps feet warm, without the bulk. Cover big miles in the winter thanks to waterproof comfort and aggressive traction.
FEATURES
- 1.8mm Waterproof Nubuck Leather
- Footbed: Dual Density EVA
- Midsole: Molded EVA
- Insulation: 200g of 3M™ Thinsulate™