Great Saddle Bag+ Back Pack Design -EuroBike 2013 Award Winner (Ortlieb Company - Germany)

http://www.ortlieb.com/_prod.php?lang=en&produkt=backroller_hv



Backpack Carrying Case: very intuitive, well thought out design
  http://www.ortlieb.com/_prod.php?lang=&produkt=pannier_carryingsystem&parent=backroller_hv