Size:63*28*18CM 
 Volume:45L
 Weight:0.84kg
 Fabric:Polyester 600D/pu+polyester honeycomb R/S
 Description:
 Integrated hydration system in main compartment to hold 3L water bladder
 Two side mesh pockets to keep bottles, umbrella,and snacks
 Sliding chest buckle with emergency whistle                                                                                                                                                                                                           Webbing loop for attaching trekking pole, ice axe                                                                                                                                                                                              
 Air mesh padded backside with high effective airflow
 Front pocket to keep wet clothes,mat