Outer shell 750 D Tactel material from Du Pont Lining mesh lining (100% polyester) detachable thermal waistcoat Membrane detachable waterproof, windproof & breathable HUMAX Z-liner® inner (100% polyester with 100% polyurethane coating) Fit/features 2 external pockets 4 inner pockets internal cellphone pocket air-vent zippers in front, back & arms front air-vent zipper stretch panels under arms dual arm adjustment hip adjustment soft collar Protection EN 1621-1 CE-approved SAS-TEC® 3D shoulder & elbow protectors optional EN 1621-2 back protector reflective sections Connecting zip