Fashion and Travel Accessories Design LITOGO Bagpack by KACO LITOGO not only has a very trendy material in our days, but also a simple and unique design to enjoy travelling lightweight. This DuPont Tyvek bagpack has a flexible texture. It is tear-resistant, waterproof and breathable. Its large storage capacity allows to pack everything you need. It includes a zipper bag inside for storing small items and accessories. For higher comfort, it has widened and a ergonomically elastic back to relieve pressure on the shoulders and protect against perspiration.