Gregory Size Chart Supreme comfort and advanced performance make the Baltoro 65 ideal for weekend warriors and demanding users alike. This backpack's secret sauce combines trail-dominating Response A3 suspension technology with 65 liters of capacity, giving it dynamic load balancing in tough terrain. Its trim design feels perfectly sized for long winter weekends, warm-weather multi-stagers, and shorter backcountry excursions. Features: - Vented, formed back panel with LifeSpan foam and silicone lumbar grip zone - LumbarTune removable 10mm insert offers user-customizable contouring for a precise backpanel fit - QuickSwap 3D interchangeable pre-curved LifeSpan EVA foam harness & hipbelt in multiple sizes to precisely fit each body - SideKick ultra-light, removable daypack doubles as hanging reservoir sleeve - Included removable raincover stows in its own zippered pocket - Top-loading design with front U-zip panel access - Double Barrel lid design with dual zippered pockets on top and security pocket underneath - SideWinder stowable ergonomic bottle holster - WeatherShield PU-coated hipbelt accessory pocket with YKK AquaGuard(R) zipper - Girth-hitched compression MultiStraps on bottom double as hipbelt for SideKick daypack - Dual ice axe loops and upper shock locks for ice tool and trekking pole attachment - Weight: 5.5 lbs. - Body Dimensions: 25.2" x 15.0" x 9.5"