This wooly button-up is warm like a jacket but cut like a shirt. Built with our renowned 100% virgin Mackinaw Wool sourced from the iconic Pendleton Woolen Mills in Oregon—the Filson Women’s Ombre Wool Jac-Shirt can absorb up to 30% of its weight in water without feeling damp or clammy, while still keeping you warm. Features low-profile on-seam pockets and hidden-buttons to prevent snagging. Women-specific fit. Women's Ombre Wool Jac-Shirt