The Filson x Housefly Graphic T-Shirt is made with sturdy dry-hand 6.5-oz. cotton jersey. It’s thickness and texture set it apart from typical T-shirts. The durable rib-knit collar retains its shape wash after wash. Custom graphics and label in collaboration with Housefly Fishing. Housefly is a full-service fly shop in Hawley, a small town in northeastern Pennsylvania.