This is a back pad that came with a 48cm back length backpack I purchased at a Mountain and Road exhibition in Kamakura in the early days of the company. The top side is slightly frayed. There are also vertical stains. It's made of a material similar to Airweave and is a breathable pad, so it could be used as a back pad for other backpacks if the size is right. *The backpack is not included in the listing! This listing is for the back pad only.