Women's Delta Jacket from Arc'teryx is a stretchy and warm sweater for women. The sweater can be used alone or as a warming middle layer. Polartec® Power Dry® fleece provides very good heat to its low weight and an optimal ability to move. The Delta Jacket is made with bluesign certified material. \n\nFabric: 84% polyester, 16% elastane Arc'teryx Women's Delta Jacket Black Sapphire | Buy Arc'teryx Women's Delta Jacket Black Sapphire here | Outnorth