The North Face Pivoter Laptop Backpack 600D polyester The FlexVent suspension system boasts compression-molded shoulder straps and a padded air-mesh back panel with a spine channel for maximum support and ventilation Padded laptop sleeve in main compartment protects laptop from bumps and falls Main compartment has internal organization with a secure zippered pocket, Velcro pocket and pen pockets Front zippered D-door easily opens into a large compartment for gym clothes or shoes Reflective bike-light loop, reflective water bottle tabs and reflective shoulder strap webbing create 360 degrees of reflectivity