Ballistic nylon and 210D ripstop fabricBack padding made of air-permeable mesh fabricMOLLE system made of sturdy Hypalon material on the top for attaching accessoriesErgonomic shape - curved back panel adapts to riderAdjustable volume compression with four strapsAdjustable carrying system with padded shoulder strapsBelt closure with quick-lock system - easy to use even when wearing glovesHip belt with quick-lock closureReflective details for more safety in trafficLid compartment with side zippersCompartment for 15'' (38.1 cm) laptop or hydration packDrinking tube outletStowable rain coverCarrying handleMaterial Composition1680D Ballistic Nylon / 210D Polyester