The prAna Darby Jacket sports a stylish swing silhouette when fastened at its top button. Organic cotton blended fleece is a comfortable weight both day and night; put your hood up if it gets chilly. Cotton blended fleece. Swing jacket silhouette with hood and rib side panel insets. Novelty button at centerfront and pockets. Standard fit. 60% Organic Cotton and 40% Polyester. Material: Organic Cotton, Polyester.