The CAT Caterpillar Signature The Sixty Backpack is a stylish and functional model for everyday wear and on the go. Main Compartment with Padded Slip Pocket for Laptop. In addition to the laptop pocket, the main compartment offers generous storage space for books, documents, and personal items. A side pocket for a bottle or water bottle provides convenient access to your drink. Shoulder Straps Padded with Airmesh,ergonomically designed shoulder straps enhancing comfort and ventilation to reduce strain. Adjustable Shoulder Strap Length. The top handle allows you to carry the backpack in your hand. Made from Durable Polyurethane (PU) Fabric and Dobby Ripstop.