Ventus7 technology:optimum regulation of warm and humidity, the ergonomic cut is designed to maximise freedom of movement.Quilted stretch nylon.Composition:Main External Fabric:100% Polyester.Main Internal Fabric:100% Polyester.Second Fabric:100% Polyester.Padding:100% Polyester.Sleeves Lining:100% Polyamide.Body Lining:100% Polyester.