The Patagonia Nano Puff Jacket is a cozy coat for your stroller-loving or kid-carrier kiddo. Fall brings chilly weather, and this lightweight jacket will provide the extra boost of heat your little adventurer needs to keep up with the rest of the family during walks and hikes. It uses 60g PrimaLoft Gold Insulation Eco and a 100% recycled polyester shell and lining for durable, lightweight warmth, windproof protection, and a durable water repellent finish that provides water resistance.