Made of ultra-light polyester and nylon fabric, coated with polyurethane (PU) and 100% waterproof with a special treatment to prevent sticking when worn on textile or leather garments. All seams are taped for 100% waterproofing Lightweight polyester mesh for greater comfort and better internal air circulation. Reflective details improve pilot visibility in difficult weather conditions. Comes with a convenient storage/carry bag to easily fit inside luggage Velcro adjustments at arms and waist and drawcord ensure a snug fit over the outer garment Elastic collar and cuffs contribute to a tight seal to prevent wind and water penetration. Waterproof compartment inside the chest for easy access and safe, quiet storage