The zippered main compartment opens wide and flat and has an inner mesh pocket.  
  
 Mesh side pouches fit 32-ounce water bottles so you can stay hydrated.  
  
 A padded, zippered sleeve holds a laptop up to 15".  
  
 Adjustable shoulder straps with Max Air cushioning make it comfortable to carry.  
  
 Dimensions: 19" H x 12" W x 6" D