These boots have everything you need and nothing you don&';t. And we think that&';s what perfection is all about. Did we mention they&';ll keep you warm & dry no matter the weather? a 100% Waterproof a Constructed with 5mm Neo-Tech waterproof insulation a DuraFresh natural bio-technology activates to fight odors a BOGS Max-Wick evaporates sweat to keep feet dry a Comfort rated to 5AdegF/-15AdegC