The 5ive Star Gear GI Spec 3-Day Backpacks is large enough to carry the essential gear required for approximately three days out in the field. It is made from rugged 1200-denier ballistic weave, it will withstand wear and tear from daily use in the field and beyond. Fully MOLLE compatible with webbing along the pack's face and both sides and additional features include hook & loop strips for name/rank identification, waist strap and sternum strap. Item is compatible with the 5ive Star Gear 2.5L Hydration Bladder system.