Features BPA-free 1, 5 litre bladder with an easy clean, big bore top Magnetic bite valve holder Thermal lined bladder compartment helps keep fluids cool Sternum strap & buckle keep gear secure Pack harness is angled away from the underarms, giving total freedom of movement Harness made with air mesh for ventilation Reverse face YKK® water-resistant zip on front Micro fleece lined glasses/media pocket Thor reflective logo 1200D Ballistic polyester/600D poly shell Features an external zippered pocket Dimensions: Lx Wx H 16 x 10 x 5 inches / 40 x 25 x 12, 7 cm