100% Polyester. Durable Water Resistant (DWR) finish sheds water and resists staining. Swiss Miss dot water resistant fabric. Patented Merrell Adventure Rest lightweight protection transforms into a neck pillow when packed into stretchy interior lumbar pocket. Playful quilting lines on front and Chevron quilting in back for cozy look and visual motion. Oversized, microfiber-lined zip pockets at sides offer easy-access, ample storage phone and essentials. Reverse coil front zipper. Stand up collar hides face from wind and weather. Articulated elbows for better mobility and comfort on the move.