Caribee Stratos XL Hydration Pack Action Back Padded Harness System w/Air Mesh Padded & Adjustable Shoulder Straps for Added Comfort Hydration Compatible with H2O Outlet at Top (bladder not included) & Audio Pocket w/Cord Port for Electronic Devices Detachable Hip Belt & Sternum Strap for Equal Weight Distribution Six (6) Side Compression Straps & Side Mesh Utility/Bottle Pocket Lightweight Sleek Design made from Durable 600 Denier Polyester