From SOREL Kid's, the Yoot Pac boots feature: waterproof synthetic textile upper with synthetic coated leather overlaysseam-sealed waterproof constructiondrawstring with barrel lock closureSherpa Pile snow cuffremovable 9mm Thermoplus felt innerboot2.5mm bonded felt frost plug midsolehandcrafted waterproof vulcanized rubber outsole with herringbone patternImported.