The Code of Silence DoubleBack Xtreme 2.0 Pack delivers unmatched silence, functionality, and innovation to serious tree stand hunters. Pack smart. Move efficiently. Never make a sound. Ready for hands-free navigation using the DoubleBack drop-down gear system. Designed for shorter sits and streamlined gear setups. Code of Silence Fleece-Wool Shell, combined with innovative FlexWall fabric, delivers extreme silence without sacrificing durability or performance. Fleece-wool shell with FlexWall fabric throughout Patent-pending DoubleBack drop down gear system AirFlow padded back panel with removable frame FormFit padded shoulder straps for all-day comfort Removable 6 inch waist belt for added versatility Eight internal compartments for organized storage Dual elastic side pockets and external gear straps Hydration compatible with MOLLE attachment system