600D polyester with PVC backing. Double zippered main compartment. Rear double zippered laptop compartment with Velcro flap and mesh pockets. Elastic mesh pockets on outside of laptop pocket. Slip pockets on each side. Single zippered small front pocket. Padded air mesh back panels. Business card holder on side. Padded carry handle integrated into ergonomic back straps. Protected entrance to laptop section. Feature logo pullers.