Lightweight and warm, this light blue down vest is a great choice. The size is listed as L12, which I think is about a men's size S. Width: 48cm Length: 58cm - Brand: patagonia - Color: Light Blue - Material: Shell: 100% Polyester, Fill: 90% Goose Down, 10% Feather - Design: Sleeveless, with zipper Thank you for looking.