Size:48*34*12CM 
 Volume:25L
 Weight:0.725kg
 Fabric:Polyester 420D 2MM R/S+polyester 420D diamond R/S+600D/PU
 Description:
 One main compartment
 Two side mesh  pockets to keep bottles, umbrella,and snacks
 Adjustable fastening joints at  both sides to fix alpenstock,ice axe,etc
 Mesh padded backside with high effective airflow                                                                                                                                                                                                       Hydro system