The KAAKKURI with waterproof and insulated GORE-TEX, is a spike soled winter boot designed and engineered for total confidence in icy conditions. Made with a Pomar spike sole consisting of rubber and steel studs which bite into sheet-ice, it offers maximum slip resistance and traction. The ideal choice for freezing weather, KAAKKURI offers insulation and a waterproof GORE-TEX ® woolmix lining to provide extra warmth when the temperature drops. LAST WIDTH: H UPPER MATERIAL: Black suede, black nappa collar GORE-TEX® PARTALANA LINING: Waterproof and insulating, warm woolmix lining designed for cold winter conditions REMOVABLE COMFORT INSOLE: Comfort for your feet! SPIKE SOLE: Combination of rubber and steel studs bite into sheet-ice providing maximum slip resistance and traction in icy conditions. (Not recommended for indoor use) ZIPPER: Quick and easy to put on and take off