U.S. based Filson are renowned worldwide for their high-quality craftsmanship across everyday wearable essentials. A hardwearing piece equipped for rain, wind and work. The new jac-shirt is constructed from 8-oz Filson Dry Shelter Cloth, famed for its durability and water resisting nature. The piece is reinforced at critical stress points and completed with two chest and handwarmer pockets below, designed for years of service as a shirt or jacket through warm summer nights.