This is a Patagonia SYNCHILLA half-zip. The style number is STY23000FA18. It's not the lightweight version, but a thick fleece fabric. The color is slightly whiter than in the images. The color is black and the size is US men's L. Please use the following flat measurements as a reference: Approximately: Length 72cm, Width 61cm, Shoulder width 52cm, Sleeve length 66cm. Although it's difficult to see in the photos, there is some pilling on the underside of the hem, etc. Please consider this as a well-worn vintage item. Please understand and consider purchasing accordingly.