Deuter Speed Lite 32

Backcountry.com says:
The Speed Lite 32L Backpack shocks us every time with its spacious size and featherlight feel. At less than two pounds this daypack saves us ounces so we can bring more of the things we need on our day-long excursions. This pack has all the adjustable and supportive features vital for a comfortable trek but it lacks unnecessary materials and gadgets that only weigh us down.