Nylon rucksack silver coats in polyester. Two-colored black and silver. Big outside pocket in net, adjustable braces are atta... Nylon rucksack silver coats in polyester. Two-colored black and silver. Big outside pocket in net, adjustable braces are attached to the pocket behind. Paded in the back with adjustable braces. 2 pockets and one in the top of the bag. Pocket of safety in the back.