Part of our responsible edits Padded grab handle FlexVent system features flexible and molded shoulder straps, a padded mesh back panel and breathable lumbar panel Sternum strap with whistle buckle Elasticized bungee system to front for external storage Two-way zip fastening Two external water-bottle pockets with quick-draw smartphone access on one side One external fleece-lined pocket Inner organization panel, padded laptop sleeve and zip pockets 360 degrees of reflectivity for increased visibility in low lighting Removable waist belt Logo embroidery