This is a backpack from Columbia. I only used it once for climbing Mt. Fuji. It's the perfect size for climbing Mt. Fuji (60 liters). I've only used it once, so it's really very clean. An olive green Columbia backpack with mesh panels and adjustable straps. Built-in rain cover (unused). - Brand: Columbia - Color: Olive Green - Accessories: Orange straps - Design: Backpack with mesh panels - Features: Adjustable straps - Pockets: With front pocket Thank you for looking.