FUNCTIONAL & COMFORTABLE - The Just pack backpack f with built in charging cable offers a convenient way to charge your phone and other electronic devices while walking. The back of the backpack uses a comfortable and breathable mesh design, Comfortable wide breathable mesh shoulder straps with plentiful sponge pad help relieve the stress from your shoulder. One sides of the shoulder strap with lanyard design, can hang sunglasses. Perfect choice as picnic backpack for men women

PLENTY OF STORAGE & POCKETS- Large backpack for men own 1 separate thicker padded laptop compartment to hold up 17.3 inch laptop. 3 main compartments with double zippers such as books, lunch, clothes and school supplies, travel accessories and other daily necessities. Both side water bottle pockets outside for holding water bottles or umbrellas. More than 15 functional pockets ensure you to keep your personal belongings well-organized and get them easily.