The Fjallraven Kanken 16L Backpack in Rust Brown is a medium-sized backpack made of durable polyester material. With a zip fastener and external pockets, this lightweight backpack is perfect for backpacking adventures. The single divider and three pockets (2 outside bottle pockets + 1 inside for a laptop if needed) provide ample storage space, while the nylon handle/strap material ensures comfort and durability. Designed by the renowned brand Fjällräven, this unisex adults' backpack is both practical and stylish for any outdoor excursion.