Mystery Ranch Terraframe 3-zip 50 Backpack   Finally, a pack built for general outdoor, backpacking, and mountaineering use featuring our patented OVERLOAD® feature. Your new secret weapon when carrying awkward, excessive loads.   3-Zip access meets load-hauling OVERLOAD® feature for mountain use.Blending two of our most crucial designs – the 3-ZIP and OVERLOAD® features – the redesigned TERRAFRAME 50 3-ZIP is for mountain zealots who need the option of going light or going big. We’ve offered the OVERLOAD® feature in hunting and military packs for years, yet backcountry climbers, fisherman, guides, and others have been asking for a mountain-inspired version of this versatile, load-taming design. Featuring rigid, carbon fiber frame stays, the suspension allows an ideal amount of torsional flex while providing ample support for loads up to 150 lbs. This functional expandability, the OVERLOAD®, is your secret weapon when carrying awkward, excessive loads.   Key Attributes Guide Light MT™ frame OVERLOAD® load sling Telescoping yoke for custom torso fit 3-ZIP design for rapid and complete access to gear   Features   Quick attach frame cap hardware provides easier OVERLOAD® feature conversion Daisy chains with adjustable tool attach loops Two zippered lid pockets Hydration reservoir compatible Stretch-woven water bottle pockets   Materials 330D Lite Plus CORDURA® YKK® coated zippers for durability and water protection Autolock SJ buckles on compression straps Specs US   Weight: 5 lbVolume: 3050 cubic inchesDimensions: 28"x15"x13"Frame System: Guide Light MT FrameHarnessing Style: Framed   Specs MetricWeight: 2.3 kgVolume: 50 LitersDimensions: 71x38x33cmFrame System: Guide Light MT FrameHarnessing Style: Framed     Mystery Ranch Terraframe 3-zip 50 Backpack