Size:47*35*15CM 
 Volume:25L
 Weight:0.94kg
 Fabric:polyester 420D 2 mm ripstop+600D/PU
 Description:
 Integrated hydration system in  main compartment to hold 3L water bladder
 Two side mesh pockets to keep bottles, umbrella,and snacks
 Integrated rain cover
 High effective airflow back system                                                                                                                                                                                                                                Front zipper pocket  to keep helmet