• AirScape™ mesh and foam back panel for increased breathability and comfort during extended wear • BioStretch™ mesh on shoulder straps for better ventilation • Main compartment with top drawcord • Two pockets on shoulder straps compatible with soft water bottles • Large zippered phone pocket and small pocket • Elastic side pockets • Double side compression straps with SR buckle allow external attachment • External hydration compartment • Attachment point for poles or ice axe • Elastic mesh front pocket that can hold a helmet • Stow-on-the-Go – trekking pole attachment system • Chest strap with safety whistle • Multiple elastic attachment loops • Right zippered hip belt pocket • Left elastic hip belt pocket • Material: bluesign® approved recycled 100D x 210D nylon with DWR water-repellent coating • Volume: 18 L (XS/S) • Dimensions: 52 x 26 x 26 cm (XS/S)