The Patagonia Atom Sling Pack is a great courier bag, daypack and carry all pack. The teardrop shape provides the support of a daypack by positioning the load behind your shoulder. The single strap design makes getting to the goods simple: Just spin it around front. The large zippered main pocket has mesh and stretch woven pockets inside also zippered to organize small items. A convenient zippered pocket on the shoulder strap has a soft lining to protect valuables adjustable buckles lash any extras to the outside. Breathable 3 D spacer mesh pads the shoulder strap and back panel to wick moisture, dry quickly and increase ventilation. For biking and hiking, a stow away waistbelt keeps the pack close to your torso.