Compatible with all Stone Glacier R3 Military Frames, the R3 Pack Belt features a removable lumbar pad for adding, removing, and shaping the foam for a customized fit. The foam layers can be trimmed and positioned vertically to make a roll in the pad at any level to create the desired curvature and thickness. The lumbar pad also features non-slip fabric to help lock the belt in place while carrying heavy loads. Features: Compatible with all Stone Glacier R3 Military Frames Removable lumbar pad Accessory Pocket and holster attachment capable Cordura 500d and X-Pac fabric Heavy-duty, 1" Duraflex military approved buckles and webbing Stone Glacier R3 3-Piece Pack Belt MultiCam 40056-MC, Medium