The lightweight, ventilated Atmos AG 50 is designed for weekend tramping and lighter-weight multi-day adventures. It features AntiGravity™ suspension, Fit-on-the-Fly® harness and hipbelt for improved comfort and a fine-tuned fit, large dual side-zip access into the main compartment and an integrated raincover to keep your gear dry when it starts to rain. Other features include an internal hydration sleeve, stretch side pockets for water bottles or other gear and a Stow-on-the-Go™ pole attachment system.