Columbia Big Boys' Little Boys' Bugaboo Interchange Jacket Shell: 100% Nylon Legacy Twill; Lining: 100% Nylon 210T Taffeta; Liner: 100% Polyester 250G Microfleece; Shell Overlay: 100% Nylon Perfecta Cloth Machine Wash Omni-tech waterproof/breathable critically seam sealed Outgrown grow system Zip-in interchanged system Fleece liner Removable, adjustable storm hood