The Eagle Industries Invader 50L Backpack is a 50 liter multi-purpose backpack constructed of MIL-SPEC 500 denier nylon and Tweave 520e materials. The backpack features an adjustable internal suspension system that allows for customizable fit. Also features an expandable front beavertail pocket as well as expandable side pockets with channels and compression for additional storage space, a large water-resistant horseshoe zipper that allows full access to the pack, and an expandable top lid pocket. The Invader 50L backpack is only available in MultiCam® at present.Adjustable internal suspension system allows for customizable fit.Expandable front beavertail pocket.Expandable side pockets with channels and compression for additional storage space.Large water-resistant horseshoe zipper allowing full access to the pack.Expandable top lid pocket