Rab Exion 55L Backpack Ain't No Mountain High Enough The Exion 55L Backpack is built for multi-day treks and alpine pursuits. Its durable construction and supportive carry system ensure comfort under heavy loads, making it an ideal choice for extended journeys. Features Durable materials: constructed from high-tenacity nylon for longevity Flexed back panel provides support and stability under load Top-loading design for easy access to main compartment Multiple pockets including hipbelt and side pockets for organized storage All-day hydration with sleeve for a reservoir Adjustable back length for a customizable fit MFG#: QAP-52SPECIFICATIONSIntended Use Backpacking Volume55 LWeight4 lb 5 oz / 1. 95 kg Dimensions29" x 13" x 13. 4"Back System Contoured back panel Back length Medium: 19" - 21" | Large: 21" -23"Materials Recycled nylon, polyester, water-resistant treatment Hydration Compatible Yes | Rab | Exion 55L Backpack | Nylon