Thank you for viewing. My child used this only once for a mountain climbing school trip. It looks almost brand new. It's a great size for serious mountain climbing, but also for everyday use. Please assess the condition from the photos. Returns and exchanges are not accepted, so please purchase only if you understand this. A 35L blue backpack equipped with the AirZone system. - Brand: Lowe Alpine - Model Name: Trek 35 - Color: Blue - Features: AirZone system - Size: 35L It cannot be folded. The price includes shipping, so no discounts are available.