As one of its daily deals, Staples offers the Thule EnRoute Mosey Daypack in Black, model no. TEMD-115, for $39.99. Plus, Staples Rewards members qualify for free shipping. (Not a member? Click here to sign up for free.) That's the lowest total price we could find by $36. It features a padded top-load sleeve for up to a 15" MacBook Pro or 14.6" PC, iPad/10.1" tablet sleeve, crush-proof Safe-Zone compartments, organization panel, back panel with airflow channels, padded straps with sternum strap, and stash pocket on hood. Deal ends April 19.