Why you'll love itKeep the winter chill at bay in our Tundra women's rubber boots, featuring an eco-friendly removable thermal guard liner that ensures your toes stay toasty warm, even in temperatures as low as -40°C. These insulated boots, made from 100% waterproof synthetic rubber, offer laceless convenience so you can easily pull them on and off. They're perfect for the busy woman, mom or dog mom on the go!UPPER 100% waterproof and recyclable lightweight synthetic GROUND-CTRL Rubber™ all-weather boot: Keeps feet dry without the bulk. Adjustable nylon collar with genuine leather pull tabs and bungee lace lock: Provides extra protection from moisture with an adjustable fit. ISA TanTec’s LITE™ eco-friendly leather: A sustainable and durable material that'll keep your boots looking great for years to come. 8-mm Thermal Guard moisture-wicking removable liner (100% recycled content): Keeps your feet cozy up to -40°C. OUTSOLE GROUND-CTRL Rubber™ outsole: Features deep treads for stability on all terrains.