With its eye-catching heather knit design, the Tremblant Knit Jacket has the cozy look of a well-worn sweater - but its got some great functional design features, too, like thumb exits in the sleeves, two lower pockets, one upper chest pocket and an exit port for an earbud cord.100% Polyester sweater knit with brushed back. 305 g/meter square (9 oz/yard square) LINING: 100% Polyester brushed tricot knit inner zipper flap and pocket bags.