Under Armour Kids - Longer Prime Puffer Jacket (Big Kids). Color Midnight Navy. Low Stock. On sale for $40.00. MSRP $100.00.. 3.0 out of 5 stars6 left in stockBrand NameUnder Armour KidsProduct NameLonger Prime Puffer Jacket (Big Kids)ColorMidnight NavyPrice$40.00MSRP: $100.00