Children grow 7 sizes in their first 2 years on Earth and this equates to a lot of wasted clothing. Petit Pli’s versatile waterproof shells are pleated in such a way that they can grow bi-directionally to custom fit a range of sizes. The continuous size adjustment is a new way of approaching garment design, one suitable to high growth rates and discrepancies in children’s sizes. Petit Pli uses technical materials that are ultra-lightweight, waterproof and breathable because children are extreme athletes.