100% Polyester. Durable Water Resistant (DWR) finish sheds water and resists staining. Diamond textured dobby. Some exterior taping to for a tech look. Fully waterproof taped seams. Water resistant coated zip hand pockets placed high for backpacking: Interior zip secure chest pocket. Quilted interior buffers cold. Articulated elbows for better mobility and comfort on the move. Attached adjustable hood with peripheral adjustment. Drawcord hem. Hook and loop closure cuffs.