Columbia Sportswear Boy's Bugaboo Interchange Jacket Shell: 100% Nylon Legacy Twill. 100% Polyester Legacy Twill. Lining: 100% Nylon 210T Taaffeta. Liner: 100% Polyester Dotswarm MTR Fleece Imported OUTGROWN Grow System Omni-Heat Thermal Reflective Liner Omni-Tech Waterproof/Breathable Critically Seam Sealed Zip-In Interchange System Fleece Liner