Exterior: Polyester Taslan Oxford 600D with PVC coating. Interior: 100% polyester fiber 160g. Lining: fleece along the body, nylon taffeta 190T at the bottom. Reinforced seams, flap pockets, and reinforcement points. 2 large patch pockets, 2 chest pockets, including 3 pen holders and 2 D-rings (one of which is hidden), 1 external mobile phone pocket, 2 internal pockets, and 1 CD pocket. Pass-through for headphone cables. Drawstring at the waist with stoppers. Adjustable elastic cuffs. 3M reflective panels. Access for embroidery and screen printing via the zipper of the chest pocket and at the lower inner part.