This is an olive-colored ARBOR CLASSIC PACK 25L. I've used it for about a month, but I'm selling it because I don't use it much. I've washed it once. It's a discontinued item, so I think it's rare. As you can see in the photos, there's a small black stain. This is the product: ↓ https://www.amazon.co.jp/パタゴニア-patagonia-バックパック-ARBOR-CLASSIC/dp/B08KXW636F patagonia Patagonia Discontinued ARBOR CLASSIC PACK 25L 47958 Arbor Classic Pack / Backpack / Rucksack) PATAGONIA Patagonia ARBOR CLASSIC PACK 25L Arbor Classic Pack 25L Kipling, Agnes b., WONDER BAGGAGE THE NORTH FACE, L.L.Bean, Pacsafe Invicta, Kipling, Agnes b.WONDER BAGGAGE, THE NORTH FACE, Pacsafe, L.L.Bean Fjällräven Herschel Supply Co. Carhartt BEN DAVIS AS2OV X-girl