Columbia Big Boys' Ryder Warmth Pant Shell: 100% Nylon Full Dull Dobby; Lining: 100% Polyester Reflective Print Microtex Lite; Insulation: 50% Polyester/50% Recycled Polyester, Oh 60G Machine Wash Omni-heat thermal reflective and insulated Omni-tech waterproof/breathable fully seam sealed Outgrown grow system Exterior adjustable waist Internal, adjustable leg gaiter