The North Face Little Boys' Toddler Reversible Moondoggy Jacket (Sizes 2T - 4T) Insulated- Insulation traps hot air for reduced heat loss and increased warmth. Goose-down- High-fill power goose down ranging from 550 to 900 fill, the highest quality commerically available. Reversible- This product can be worn two ways for maximum versatility. Fully reversible 550-fill down insulated winter jacket 550 fill goose down certified to the Responsible Down Standard (RDS) by Control Union