ACKS THAT GO THE DISTANCEWe shifted our gears to update your go-to pack so you’re never left trailing behind. You get the same trustworthy M.U.L.E.® with slight body modifications for a smooth ride and fit. Both Men’s and Women’s feature smart storage options, Air Support™ Back Panel, lightweight materials, and max ventilation to keep you feeling and looking cool on the trail.Key Features:Podium Dirt Series 21 oz Included,Air Support™ Back Panel With Body Mapping Technology,Secure Zippered Pockets,Integrated Tool Organization,External Pump Sleeve,Reflectivity.