Columbia Shimmer Me III Jacket Outer shell constructed of 100% nylon Shadow ripstop fabric~ 100% polyester Matte Melange 100% polyester Thermal Reflective Microtex lining to prevent heat loss 50% polyester/50% recycled polyester OH~ 100g Omni-Heat insulation Omni-Heat thermal reflective and insulated Omni-Shield advanced repellency resists rain and stains