Features Features three patches that are exclusive to this pack The FlexVent suspension system, certified by the American Chiropractic Association, has articulated shoulder straps, a rounded back panel, comfortable stitch lines and soft-touch chemise fabric External bungee-compression system with clips offers options for organization Side bungee cords allow for compression Bottom compression Stand-up design for easier packing and unpacking Protective, dedicated 16" laptop compartment Large main compartment for books and binders Front compartment has internal organization with secure-zip pockets and a padded tablet sleeve External, fleece-lined pocket for sunglasses, phone or keys Two durable water bottle pockets can easily double as multi-use pockets with quick-draw smartphone access on one side Easy-to-use Ykk zippers Comfortable, padded top grab handle Sternum strap with a whistle buckle Removable waist belt Coated, recycled polyester boot fabric Reflective details Women-specific version available Materials Body: 210D Recycled Nylon Ripstop with PU coating and non-PFC durable water-repellent(Non-PFC DWR)finish Boot: 600D Recycled Polyester with 1500mm PU coating and non-PFC DWR finish Liner: 200D Recycled Polyester Specifications Volume: 26L/1586.5in Dimensions: 20.1"x12"x6.5"/51x30.5x16.5cm Avg Weight: 1120g/2lbs 7.5oz

For example, there is no drop-down internal sun visor, slick chin strap buckle, built-in LED lights, modular chin bar, and so on
The cheapest option is a cotton Sleep Sheet
Built under AGVs Extreme Safety Design protocol, it surpasses the requirements of the latest ECE 22.06 standard