Features Dimensions: 20”L x 11”W x 6”D 1200D Ballistic polyester/600D reversed faced poly shell THOR reflective logo Micro fleece lined glasses/media pocket Reverse face YKK® water-resistant zip on front Straps on the front to cinch down additional luggage Large main compartment and a secondary compartment with internal mesh pockets for organization Neoprene hydration tube sleeve helps keep fluid cool Harness made with air mesh for ventilation Pack harness is angled away from the underarms giving total freedom of movement 3-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