J. Whistler Boy's Summit Insulated Puffer Snorkel Bomber Jacket Charcoal 10/12 Zipper closure Water resistant Outer is 100% Ribbed Polyester with Water-Resistant Coating, Inner is 80% Down 20% Polyfill, 100% polyester lining. Hood has a soft faux fur lining and removable faux fur trim. Side Vents: ventilation eyelets under arm to help regulate temperature. Front center button and zipper closure. Storm Sleeves with ribbed cuff and hem. Internal zipper pocket. Front zipper pockets.