Size:42*18*7CM 
 Volume:6L                                                                                                                                                                                                                                                                                 Weight:0.33KG
 Fabric:polyester 420D double-line R/S+ballistic nylon+600D/PU
 Description:                                                                                                                                                                                                                                                                                      Hydro system 
 Light weight and firm water-proof fabric
 Reflective webbing on the shoulder straps
 High effective airflow back system 
 Front zipper pocket to keep some small essentials