Columbia Sportswear Women's Veloca Vixen Pant Shell: 100% polyester reflex stretch. Lining: 100% polyester Microtex Lite. Insulation: 50% polyester/50% recycled polyester OH, 60g Imported Adjustable Waist Omni-Heat Thermal Reflective and Insulated Omni-Tech Waterproof/Breathable Fully Seam Sealed Insulated 60g Bottom Leg Zips