Blast off into wonderful winter adventures with the warm and functional Rocket 2 boot! This fantastic winter boot features a Lasting Duration 600 Nylon upper. 8mm ZYLEX® PERFORMANCE removable liner that wicks perspiration traps body heat and deflects outside cold. Waterproof and flexible synthetic rubber shell. SNOWAVE synthetic RubberHe outsole. Also features adjustable belt around ankles and drawstring along collar to provide an even better fit. Temperature rated: -40°F/-40°C Made in the U.S.A. Measurements: Weight: 15 oz Shaft: 9 1 2 in Product measurements were taken using size 2 Little Kid width M.Weight of footwear is based on a single item not a pair.