Waterproof and breathable Isolite 5000 lightweight polyamide fabric with a breathability rating of 5,000g/m²/24 hours. Features a durable water repellent finish and taped seams for complete waterproof protection. Mesh lined for comfort. Lightweight and packable into its own stuff sack, this jacket is perfect for protecting little ones from the elements while allowing them to explore freely. Reflective trim enhances visibility in low light conditions.