Size:70*26*24CM 
 Volume:45L
 Weight:1.3kg
 Fabric:420D 2 mm ripstop nylon+420D nylon
 Description:
 Integrated hydration system in  main compartment  to hold 3L water bladder
 compression straps to adjust the capacity of backpack
 Facial bungee cord to carry mat or wet clothes
 High effective airflow back system                                                                                                                                                                                                                       Integrated   rain cover                                                                                                                                                                                                                                                      Webbing loop for attaching trekking poles, ice axe                                                                                                                                                                                                     Top lid features a pocket for easy storage of trail necessities;lid and expandable collar can                                                                                                                               be  adjusted to allow for bulky loads