Sherman Lightweight Laptop Backpack Deep Red. This lightweight comfortable backpack has a generous main compartment for stowing your day to day essentials. The CalPak 'Sherman' is equipped with adjustable padded shoulder straps, A front organizer pocket, fully lined interior and includes a padded laptop compartment. Letâs not forget the ventilated air mesh back padding to keep you cool on hot days! This backpack is available in a variety of