Breathable mesh material. I mainly used an Ergobaby carrier, and this one was kept in the car and used occasionally when going out. It was used for a short period, so I think it's in good condition. Please check the condition in the images. Please consider purchasing if you understand that this is a used item. Excellent condition - Brand: BABYBJÖRN - Material: Mesh The popular One KAI Air, suitable for all seasons. Thank you for viewing.