Columbia Little Boys' Pop Shove Pant Shell: 100% nylon kolon twill. lining: 100% nylon taffeta. insulation: 100% polyester, 140g. Machine was cold gentle, wash separately, do not bleach, tumble dry low, remove promptly, iron low, do not use fabric softener, do not dryclean Omni-shield advanced repellency Waterproof/breathable fabric Adjustable waist Grow cuff Internal leg gaiter