The Sling Pack for DSLR Cameras from Incase is big enough for a DSLR and a couple of lenses, so you can take just what you need for a day trip. The bag is 10.5″ x 16″ x 6.5″. It’s constructed of water-resistant nylon, and it has a side zipper opening for access to the organized storage space inside. The inside is padded and has dividers to keep your equipment from banging together. The bag has interior and exterior zippered and mesh pockets to hold small accessories. It’s a sling bag, so it has a single shoulder strap; there’s also a grab handle. It’s $79.95 at Incase.