Waterproof and breathable Isolite lightweight polyester fabric with a breathability rating of 5,000g/m2/24hrs. Features taped seams and a durable water repellent finish. Includes Thermoguard insulation. Weave type: woven. This suit is designed for little adventurers, keeping them dry and comfortable during outdoor play. The "Cool Aqua Penguin" print adds a fun element for toddlers. (12 Months)