The Kamik Sienna Women’s Boot gives you cold weather style you can count on and all the warmth you could need. The RubberHE that makes up the bottom half of the shoe is extra durable and naturally seals out snow and ice so you’ll be able to step through the storm with confidence. The quilted flannel upper with suede accents make this a fashionable choice, and the whole thing is insulated with 3M™ Thinsulate™ so you’ll stay toasty warm all day long. KEY FEATURES Thinsulate™ insulation ensures your feet stay warm no matter what; Made in the United States of America; Durable Rubber; HE construction prevents leaks and improves durability. SPECS Waterproof Rating: Waterproof Bottom Closure Style: Lace Up Insulation Type: Thinsulate Insulation Amount (grams): 200