The difficult environments and inclement weather won't slow you down when you have the Kamik® Barrel boots to keep you comfortable and secure all day long. Neoprene upper with a waterproof 7mm four-way stretch design. Rubber work boot with a composite safety toe. Kamik TEAR GUARD protects boot against snags and rips. Moisture-wicking air mesh and fleece lining for the perfect combination of breathability and warmth.Waterproof adjustable weather collar to keep out the wet elements. Shaft can be folded down to reveal blue safety collar. Reflective back strip for low-light safety. Features Aegis® Antibacterial Treatment throughout the boot for superior protection against odors. Kamik's FITLock technology uses injection molding and proprietary split last construction for a specific foot form. It creates a more tailored, comfortable and supportive fit to minimize movement and lost energy, without sacrificing ease of entry or protection. Back heel kick for easy removal. Removable EVA AEGIS® Antibacterial insole provides a fresh foot environment. X shank for reliable support.Waterproof, lightweight Synthetic Rubber(He) shell offers a flexible fit with enduring protection. Kamik's Rubber(He) GUIDE 4-Season Outsole is ideal for outdoor use in any season. Outsole bottom oil and acid resistant. Composite saftey toe meets ASTM F2413-11 I/75 C/75 standards.Temp rated: -40ºF / -40ºC (Yup, those conversion temps are correct.)Made in the U.S.A. with imported materials.