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. SNOWWAVE synthetic rubber outsole. Also features adjustable belt around ankles and drawstring along collar to provide an even better fit. Temperature rated: -40oF/-40oC Measurements: Weight: 14 oz Shaft: 9 in Product measurements were taken using size 11 Little Kid width M.Weight of footwear is based on a single item not a pair.