Through Authenticate 
Features:
Easy-fill hydration pack allows water to be added via a filler cap in the pack, without removing the bladder. Accepts high-neck water bladders up to 2.5L capacity (Water bladder is not included).
Easy-fill hydration pack allows water to be added via a filler cap in the pack, without removing the bladder. Accepts high-neck water bladders up to 2.5L capacity (Water bladder is not included).
Specifications:
Material: 1000D CorduraR
Zipper: YKK
Size (L / W / H, cm): 22 / 2 / 47
Weight (g): 345
Design For: 2.5L High neck water bladder 
