The carrier is made of breathable mesh material that it comfortable for the baby while providing excellent lumbar support for the carrier. (abckidsinc.com)
The whole back panel is made from a lightweight breathable mesh material that keeps your baby cool. (babycarrierhq.com)
Besides its lightweight and compactness, I really like the fact that the seat is made of breathable mesh material which promotes air circulation for your little one. (mommystroller.com)