Water Resistant Matte Laminated Fabric : Water Repellent flaps for front pockets : Heavy Duty Zippers & Pullers : Optimized Back panel with premium cushioning and airflow mechanism : Advanced Ergonomics : Padded i-pad sleeve : Padded 360 Laptop Sleeve with velcro fastener : Fits Laptop up to 15.6 inch : Anti-Theft Pocket with USB charging outlet : Load Stabilising Sternum Straps : Internal Organizer with Zipper : Padded Separator Partition inside for safety and structure