Are you looking for a cool roll-top backpack that will go on a hike with you? You don't have to anymore. Sirius is a backpack that thinks about details and is thought out to the last clasp. And it's really big, so it'll go with you for a weekend under a tent. You really won't be bored with this backpack, because you will constantly discover everything it has to offer. And because we try to use recycled materials outside of our Eco collection, this backpack was already something once. Double main pocket fastening – zipper and buckle after rolling Padded back and shoulder straps for the most comfortable fit Made from ultra-lightweight recycled polyester