Explorer Tactical backpack has molle system, MOLLE is a little different as most tactical molle backpacks . Explorer large load cargo capacity compartmentLevel 3 MOLLE-compatible tactical backpack Two main compartments and large exterior pockets Multiple attachment points for additional pouches Molded back panel that promotes air circulation Hydration pouch compatible (bladder sold separately)Designed for easy access and organization .Tactical assault backpack Capacity. Military backpack is made of high density fabric--durable and water-resistant. Hydration-pack compatible (2L or 3L bladder Body contour shoulder straps with D-Ring for equipment attachment, sternum strap and removable waist belt as hydration backpack or outdoor camping hiking backpack.Individual foam pad back panel for extra comfort and maximum airflow Heavy-Duty carry and drag handleMilitary backpack with double-stitched, Heavy duty zippers and utility-style cord pulls, Side and front load compression system, Comfortable padding back area, Ventilated mesh padding shoulder strap.Tactical assault pack backpack's waist straps and chest straps are removable as heavy duty work