Chinchilla is a milestone fabric in the evolution of fleece. ''Synchilla'' (Synthetic Chinchilla) was the first generation fleece. In 1985, Synchilla was used in product ''seminal Snap-T pullover'' from Patagonia, Inc., which was popular in ski trips across the Northeast. This is a lightweight, cozy fleece pullover with a hood. Pre-owned in good condition. Color light blue. Listed as size large but fits like a medium