This is a mont-bell jacket using 3M Thinsulate insulation. It originally has waterproof performance, but we have not verified if it is currently functioning. The water-resistant tape on the inside of the hood is peeling, so please repair it as needed. - Brand: mont-bell - Size: M - Material: 100% nylon (outer fabric) - Insulation: 65% polypropylene / 35% polyester - Features: 3M Thinsulate insulation - Color: Navy/Black Gender...Men *Please note that we have not been able to inspect every detail completely, so please forgive any oversights. *Please refrain from purchasing if you are looking for a perfect condition item or are overly concerned about details. *Please carefully review the product description and images, and only purchase if you understand and agree. *Due to this being a private transaction, returns, exchanges, and refunds are not accepted (we plan to video record the packing and shipping process). *We may use simple packaging or fold items to make them smaller, but we appreciate your understanding. Please purchase only if you agree to the above. Thank you very much.