Product details: Top flap with two buckle fasteners, drawcord opening under flap with plastic toggle into main compartment Zip opening into front pocket Lateral zip opening into inside padded laptop compartment with additional hook-and-loop closure to secure your device Two elastic side mesh pockets Zip pocket on top flap Cord closure with buckle adjusters on top flap for extra volume Ergonomic shoulder strap with EVA and mesh construction for comfort and durability EVA back panel with mesh Adjustable sternum strap for improved stability Brightly coloured plastic hardware Material: Lining: 100% polyester Shell: 88% polyester, 12% nylon.