Many of the machines with higher weight capacities feature 11 - gauge steel. (geekwrapped.com)
The manufacturers took the critical features that parents want in an umbrella stroller and combined them to make durable and lightweight with surprisingly high weight capacities. (earlymomentsmatter.org)
That being said, the whole thing folds in half for easy transport while still accommodating a relatively high weight capacity. (babygearspecialist.com)