Streamlined for fast-moving treks and through-hikes, the Aircontact Ultra 50+5 delivers ultralight performance without sacrificing comfort. With the Aircontact Lite back system, an expandable 5-liter collar, and minimalist features, this pack keeps weight low and efficiency high for demanding days on the move.

• Air Spacer Mesh - Back-friendly spacer fabric
• Round profile frame made of permanently elastic spring steel
• Clip & Loop back length adjustment
• Lumbar pad for effective load transfer
• Comfortable to wear thanks to movable, ergonomically shaped Active Fit shoulder straps with soft-edge finishes
• Stabilizer straps
• 2-way adjustable sternum strap
• Ergonomic, breathable, padded hip fins
• Pull-forward adjustment with automatic side compression
• Snug hip fins
• Attachment loops
• Modular gear straps
• Removal backpack lid
• Height adjustable lid
• Zippered lid compartment
• Top-loader with roll-top closure
• extandable capacity (5L)
• Drinking system compartment
• Compatible with 3.0 liter drinking system/bag
• SOS label
• Safety whistle
• Mesh side and front pockets
• Mesh helmet holder sold separately