Functional but stylish weather boots. Lasting Duration 600 Nylon upper. 8mm ZYLEX® PERFORMANCE removable liner that wicks perspiration, traps body heat, and deflects outside cold. Waterproof KAMETIK® YUKON bottom made for cold weather wear that maintains flexibility and traction. Also features adjustable belt around ankles and drawstring along collar to provide an even better fit. Temperature rated: -40°F/-40°C Measurements: Weight: 14 oz Shaft: 9 in Product measurements were taken using size 11 Little Kid, width M. Please note that measurements may vary by size.