Allen Rock Canyon External Frame Pack Tan. The frame is adjustable from 33-inches to 36-inches for increased load capacity the bottom folding shelf gives you extra support when needed but folds flat for easy storage and the exterior lashing points quickly secure heavy loads. The contoured frame rests naturally on your back and the dense foam padded waist belt and shoulder straps with cool mesh backing plus the chest strap help keep you comfortable. The pack also features a mesh back support panel for added stability. Specifications for Allen Rock Canyon External Frame Pack: Manufacturer: Allen Color: Tan Features of Allen Rock Canyon External Pack Frame Lightweight Yet Heavy-Duty Sturdy Aluminum Frame Frame Is Adjustable From 33-Inches To 36-Inches Bottom Folding Shelf Gives You Extra Support Dense Foam Padded Waist Belt and Shoulder Straps Package Contents: Allen Rock Canyon External Pack Frame Allen 1932: Rock Canyon External Frame Pack Tan