Columbia Little Boys' Bugaboo Tech Pant Shell: 100% nylon transverse twill. lining: 100% polyester taffeta. insulation: 50% polyester/50% recycled polyester, 61 Machine wash cold gentle, wash separately, do not bleach, tumble dry low, remove promptly, iron low, do n ot use fabric softener, do not dry clean Omni-heat thermal reflective and insulated Omni-tech waterproof/breathable critically seam sealed Adjustable hem Internal, adjustable leg gaiter Snap-close leg vents