The North Face Light Heat Vest Model Number: NDW18170 Color: Blue系 (Blue-based) Size: M [Actual Measurements] Width: Approximately 45cm Length: Approximately 54cm Features: This is an ultra-lightweight inner down vest that feels like you're wearing air. The outer fabric uses Pertex Quantum Eco, which is lightweight and durable, and has a unique luster. It is water-repellent and can handle some rain and snow. It has been worn a few times and is relatively clean, but please understand that this is a used item that has been stored at home.