Body Diversity every person has a unique build, shape and size. Your pack should fit accordingly. The latest step in evolving Granite Gears fit-focus is the Perimeter series. The womens Perimeter 50 introduces an additional element in fine-tuning the suspension system to ones body: Shoulder Width Adjustment with regular and wide settings along vertical daisy-chained webbing. When adjusting the torso height, simply choose which shoulder width and re-secure the clip to the corresponding webbing anchor points on each side. The series also utilizes the patent-pending Re-Fit waist belt to wrap around your hips just right.