Protect your gear while on the go with the SOLID GRAY Lightweight Hardshell Backpack. Featuring a revolutionary design, this pack comes with many clever features to enhance your daily commute. Fully customizable, you can create the ideal SOLID GRAY backpack to match your needs and style. Likewise, you can choose from a wide selection of materials, options, accessories, and colors to create a truly unique backpack. Inspired by the armor of crustaceans and insects, the clever biomimicry design creates an incredibly solid hardshell. Made of custom formulated polymer plastics, SOLID GRAY is light, durable and strong. Moreover, the combination of innovative materials and ergonomic design make SOLID GRAY an ideal travel companion. Highly practical and comfortable, the SOLID GRAY backpack can withstand whatever life throws at it.