What They say: The Atmos 65 brings a ventilated mesh backpanel with side crescents to multi-day backpacking.  An ultra-comfortable waffle foam harness and hipbelt provides superb fit while our AirSpeed suspension provides great carry.   Volume:  65 litres Average Weight:  1.63 kg (medium) Dimensions:  71 h x 34 w x 30 d (centimetres) Fabric:  210D Twill Velocity Cordura®, 160D x 210D Window Ripstop Cordura®  These are high quality but lightweight fabrics.  Take extra care when using your pack to lengthen it's life. Front stretch woven pocket 2 side stretch woven pockets with InsideOut™ compression Stow on the Go™ trekking pole attachment Airspeed crescents for side ventilation 2 ice tool loops with bungee tie-offs Removable sleeping pad straps Floating top pocket with under-lid mesh map pocket 2 side zippered front pockets Zippered sleeping bag compartment with removable divider. Atmos / Aura Airspeed backpanel The AirSpeed suspension incorporates a LightWire Alloy frame with a 3D tensioned mesh backpanel. Additionally, side crescents provide further ventilation.  All contact surfaces are either breathable mesh or perforated, molded waffle foam. Your experience is a pack fit with comfortable uniform body contact and no hot spots, whether you're bagging a fourteener, hiking the AT or pulling your next 24-hour race.

What GearGuys say: New to GearGuys. Awaiting field testing and evaluation.