Incase CL55197 Medium Messenger Bag for 15" MacBook Pro, Muted Olive Topo Durable weather resistant nylon construction with dual Velcro and buckle closure. Exterior waterproof stash pocket. Front panel padded flap compartment with slip pockets. Custom Topo print lining. Variably-sized interior padded, zippered, Velcro and well pockets. Ergonomic, padded across-the-body shoulder strap with side-release buckle. Removable stabilizer strap. Reinforced nylon safety light attachment. Reinforced nylon carrying handle with removable key wallet.