Features Dimensions: 16”L x 8.5”W x 2”D 1200D Ballistic polyester/600D reversed faced polyshell THOR reflective logo Reverse face YKK® water-resistant zip on front Neoprene hydration tube sleeve helps keep fluid cool Internal mesh pocket for organization Harness made with air mesh for ventilation Pack harness is angled away from the underarms giving total freedom of movement 2-liter BPA-free bladder with an easy clean, big bore top Sternum strap and buckle keep gear secure Thermal lined bladder compartment helps keep fluids cool Magnetic bite valve holder