This 4500 cubic inch capacity hydration ready pack has an Adjustable Torso System, which allows you to adjust the torso length from 17? to 21?, so you can get the perfect custom fit in minutes. The dense foam padded waist belt and shoulder straps, plus the chest strap, are also designed to keep you comfortable on long hikes. With plenty of internal and external pockets, you'll be able to stay organized, and the high-viz lining and zipper pulls means you'll be able to find your gear, even in low light conditions. The pack includes a padded, zippered pocket for your spotting scope, as well as two easy access waist pockets. D-rings and a MOLLE web system allow you to attach even more gear.