Exped Lightning 50 Backpack Navy S/M. Trusted by backpackers and thru-hikers Lightning features a large roll-top opening a height-adjustable comfort suspension system with minimal back contact points for great ventilation a full pack compressions system and more storage and gear attachment options than previous Lightning models. Specifications for Exped Lightning 50 Backpack: Manufacturer: Exped Gender: Unisex Pack Volume: 50 liters Features of Exped Lightning 50 Backpack 50L pack capacity is ideal for weekend trips (1-3 days) or minimalist summer adventures where you may be carrying less gear. T-Rex frame suspension system consists of an aluminum stay & stiff cross piece on top providing excellent load control while still flowing with your movement for a comfortable carry experience. Height-adjustable comfort suspension system is easily accessible with minimal back contact points for ventilation. Roll-top closure offers an extra-wide opening for accessing pack contents. Top compression strap cinches down your load or allows for external attachment of additional items (foam pad jacket climbing rope etc.). Floating compression system along the front & sides shrinks pack size or allows more room. Adjustable padded hip belt supports load control & weight distribution. Includes zippered pockets for small items. Versatile external gear attachment points. Top zippered access to quickly reach gear & essentials. Softly padded shoulder straps with a stretch mesh pocket & gear attachment options. 2 generous stretch mesh bottle pockets. Load control straps ensure comfortable custom fit. Hydration system compatible. High modulus polyethylene (HMPE) ripstop nylon fabric reinforces the pack and offers a high degree of UV & abrasion resistance. PFAS-free polyurethane (PU) coating with up to 1500 mm water column helps repel moisture. Made from bluesign approved fabrics. Package Contents: Exped Lightning 50 Backpack Exped 7640277849686: Lightning 50 Backpack Navy S/M