It has a cable design that is nice and dense, creating the outline of a tree along the back of the hood. (thespruce.com)
Strolling in the park on a spring day is no longer a problem if it gets a bit too warm just unzip the back of the hood to get some full air flow, yet your child is still shaded. (stroller-envy.com)
The suit's developers also moved the zip and added tiny dimples to the back of the hood to make the suit more aerodynamic. (newscientist.com)