330D Nylon exterior is lightweight, water resistant and tough enough for your daily grind; Stash your jacket, gym shoes, or anything you can think of in the expandable front pocket - or cinch it down when you're running light; Expandable pocket faced with durable 500D MOLLE that stands up to heavy loads without sagging; Two fully loop-lined EDC compartments behind the front panel for stashing a firearm or other gear you need quick access to by attaching hook-backed holsters or other compatible accessories; Customize your carrying style by moving the Rapid Access Half-Pull tab to any compatible exterior zipper pocket; YKK locking zippers on the main compartment and EDC slot keep your gear secure; Stretchable side pocket fits more than just water bottles; Ambidextrous design lets you carry sling on your left or right; Carabiner attachment points and a stretchy zipper pocket on sling strap keeps your essentials front and center; Inside Main compartment reveals double-layer, loop-lined laptop/tablet sleeve with layers of organization - translucent mesh pockets, admin slots, stretch pockets, and loop elastic; Compatible with Premier Body Armor insert