The phrase "structure carrier" refers to something or someone that supports or holds up a system or framework. It is like a backbone or foundation that helps keep things organized and functioning properly. Full definition
However, you might want a lighter, soft structured carrier for everyday use. (10bestranked.com)
There is a soft structured carrier for every taste, budget, and body type making them the most popular style of baby carrier on the market today. (babywearinginternational.org)
It's got the comfort and ease of a soft - structured carrier with the completely adjustable fit of a wrap (with no wrapping)! (babydickey.com)