Opt for the 5/4/3mm Quiksilver EVERYDAY SESSIONS Kids' & Juniors' Fullsuit for superior warmth, comfort, and flexibility. Boasting Quiksilver's unique StretchFlight neoprene with exceptional stretch, a lightweight build, and a responsive design that prevents sagging or dragging. Equipped with an infrared thermal lining that converts body heat into warm energy, ensuring optimal performance in cooler waters.