100% Recycled Polyester Sherpa Fleece 310g & 100% Recycled REPREVE polyester ripstop (50D) with a PFC-free water repellent coating (DWR)Recycled polyester reduces our dependence on petroleum, cuts out the water and air pollution produced when creating virgin polyester, alongside preventing unnecessary landfill waste. This is a heavyweight 310g fabric, created for warmth and all day comfort.