Ambidextrous shoulder/waist strap for left and right hand usage. Build-In Hydration Compatible Pocket. (bladder is not included) Zipper Closure Concealment Pockets, with Hook and Loop Panel (for UH1 Holster, Sold Separately). Double Zipper Pulls on ALL Three Compartments. Compression Straps on Top and Side. Padded Mesh Back Panel. Heavy Duty Webbing Over Entire Pack and Inside of Main Compartment for Attachment. Two outer layers with multiple compartments and slots.