0 a small backpack (= a bag used to carry things on your back), used especially when travelling or walking:
Keep a photocopy of your passport in your daypack at all times for identification purposes.
The bag doubles as a wheeled suitcase and a backpack - a daypack detaches for use in the car or on the plane.
If you have balance problems, it might help to do more hiking with just a small daypack, because a big pack can make everything feel less stable.
A climber found a day pack of a woman who disappeared five or six years ago.
Among daypacks, 30 liters is reasonable to heft and ensures you'll fit in everything you might need.
From the front, it's a fashionably retro daypack with an eye for detail -- the pairs of twin buckles, the overt stitching.
It's a one-compartment, top-loading daypack that closes with a drawstring and a flap cover.
These features might not strike you as being of a piece with the vintage design language of the bag's front, but they're essential details in a good contemporary daypack.
