Value for money Omni-Tech waterproof and breathable technology for more comfort and dryness, reinforced water-repellent Omni-Shield finish for dirt resistance. Fabric: Omni-Heat Reflective 210T taffeta 100% polyester, Omni-Tech Generation Dobby 100% nylon. Products Model Number 1800662. This jacket features a polyester shell and a fleece lining for warmth and comfort. It is designed with Omni-Tech waterproof and breathable technology and a water-repellent Omni-Shield finish for enhanced durability and protection against the elements. The interior is lined with Omni-Heat Reflective 210T taffeta 100% polyester, and the shell is made from Omni-Tech Generation Dobby 100% nylon.