Over-sized compartments help keep your gear stowed safelyVentilated design will help maximize gear longevityFleece lined valuables storage areaWater resistant inner pocketEarphone/headphone openingAn insulated water bottle holderHeavy duty constructionColor: Black/GreySize: Collapsed: 7" x 19" x 12"Extended: 7" x 28" x 12"