Allow me to address both of these points
Lighter options may be more convenient for daily use, while heavier models may offer additional padding and protection for your laptop and belongings
Low volume (thanks to the availability of two outer shell sizes), ultrawide visor, innovative visor mechanism with tilting functionality, VPS sunscreen (adjustable in various positions), AirBooster Technology upper ventilation system, Microlock2 double lever retention system with micrometric adjustment, innovative Clima Comfort internal comfort padding (with micro-perforated fabrics) and provision for the communication system N-Com make N87 a product that is already highly appreciated even among the most demanding motorcycle tourists
Hand sew the lining to the inside of the bag
All in all, this bag is pretty awesome
Black Hole 70L Features: Extremely Durable, Weather-Resistant, 100% Recycled Fabric: Made with weather- and abrasion-resistant 100% postconsumer recycled polyester ripstop with a matte, postindustrial recycled TPU-film laminate Removable, Ergonomic Shoulder Straps: Padded, removable shoulder straps let you carry the Black Hole Duffel like a backpack and can be detached when not in use