Nylon rip stop with DWR
Here's what other sites are saying:
The 66 North Svanur Overall Infant Bunting is a lightweight overall providing exceptional warmth in brisk weather. The outer layer and lining are made from rip stop nylon coated with DWR water repelencey treatment. Insulated with a Primaloft microfiber blend that is incredibly soft, lightweight and water repellent. It features elastic binding at hem, sleeves and hood to keep out the cold.