Crocs Nightmare Before Christmas Classic Clog - Free 。It\'s the iconic clog that started a comfort revolution around the world now with a frightening twist. This merry and scary Disney Tim Burton’s The Nightmare Before Christmas Clog features Jack Skellington’s signature suit pattern, and his signature oversized bat bow tie. They’re a stylishly spooky way to celebrate this classic animated film. Nightmare Before Christmas Classic Clog Details: Incredibly light and fun to wear Pivoting heel straps for a more secure fit Iconic Crocs Comfort™: Lightweight. Flexible. 360-degree comfort.