Smarty 3-In-1 Form JacketDescription THE ORIGINAL 3 IN 1 JACKET WITH A REMOVABLE PUFFER JACKET The 686 SMARTY jacket that revolutionized 3 in 1 layering. The Form combines a waterproof shell with a removable Puffer Liner Jacket, giving you the flexibility to adapt to ever changing conditions throughout winter and on and off the slopes. Packed with 686s signature features, this jacket is the perfect all around jacket to take on all of your adventures.