Sport: Training & fitnessExtras: Fastening for a helmetRain cover: IntegratedStraps: Padded shoulder strapsCompartments: Laptop compartment, front pocketFastening: ZipOpening system: ToploaderPattern: PlainDetails: Buckle, two-way zipGrip: Extra strongMaterial advantage: Long-lastingQualities: WaterproofDrinking system: AdaptableVolume: 25 l (Size One Size)Carrying options: Adjustable shoulder strapsArticle number: DC152N02D-Q11