Cover Cloth Quilted Jac-Shirt - YellowThis Jac Shirt from Filson is made from their signature dry finish Cover Cloth thats lightweight but woven tight to block out wind and other harsh elements through the colder months of the year. Its been fully insulated with down alternative fill and cut with an oversized, relaxed fit thats made for layering. Detailed with a pair of patch pockets, a 6 button placket, and a straight hem, this is the ideal layer for year round wear and is made to last