Patagonia Synchilla Winter Vest. Fleece vest, black, size M. This is a super rare Patagonia Winter Vest. Some of you may be seeing this for the first time. This is a phantom vest that appeared in 1999 and was discontinued after only one year. It's a button-up vest. It can also be used for layering in the coming season, so it's an item that can be used for a long time except in midsummer. - Brand: patagonia - Model name: Synchilla - Size: M - Color: Black - Material: Fleece Please feel free to ask if you have any questions.