Published by at 03/08/2026 An iconic, highly versatile technical layering piece from Patagonia's renowned Regulator line, this R1 Flash Quarter-Zip Pullover is built for cool-weather outdoor performance. It features a smooth, durable face fabric that layers effortlessly under a shell, paired with a soft, lofted microfleece interior that traps body heat while actively channeling away moisture. Small damage near front zipper area, see last photo