EMS large Back Pack With Rain Cover 5 Compartments Padded shoulder straps and back, laptop internal straps, 3 smaller compartments, 2 larger sections, rain flap cover compartment at bottom, all zip closed with great grasps, one small catch in zipper of small compartment, back section has some heat effect on plasticized covering from carrying hot thermoses but does not affect form or function. Great Bag for school, work, outdoor activities, hiking, sports, etc.