"Sling style" refers to a way of carrying or wearing something, such as a bag or a baby carrier, where it is secured diagonally across the body using a strap. Full definition
While many moms and dads prefer to go with soft structured baby carriers or wraps, there's still a big fan following of the ring sling style carrier, too. (abckidsinc.com)
This carrier is a ring sling style which features plastic durable rings to help you hold your baby hands - free as well as worry - free. (abckidsinc.com)
You will commonly find sling style seats that are suspended from the frame of the stroller. (tinyfry.com)