The Hyperlite Mountain Gear Daybreak is a 23-litre daypack (17 l main compartment plus 6 l of external pocket space) built from waterproof, seam-sealed Dyneema/DCF and weighing 577 g. That is light for a pack with a padded hip belt and chest strap, YKK zippers, and a rated load capacity of 11 kg — this is not a bare-bones frameless sack but a daypack built to actually carry a real load in comfort.
A kangaroo-style shove-it front pocket gives quick access to a layer or snacks without opening the main compartment, and a 13-inch laptop sleeve plus a dedicated valuables pocket make it as much a travel or commute pack as a hiking one, matching its stated use across urban/commute, day hiking and travel. Dyneema's waterproofing means contents stay dry in sustained rain without a separate cover, though at 11 kg maximum load it is not meant for overnight gear or heavy technical equipment — for that, look to a larger, more structured pack.