6TH SENSE WATERWOOD FLANNEL PINEYWOODS Not your grandpas flannel. The WaterWood Flannel SnapDown shirt was created to provide a solution to the typical cumbersome, scratchy flannel, that is not conducive to fishing or the active outdoor lifestyle. The high-quality medium-weight, four-way stretch poly/spandex blend, allows for the performance you would expect from a fishing shirt, with the same rugged look of a traditional flannel.