Breckenridge based boutique ski company Rocky Mountain Underground may be one of the fastest growing small brands in the winter sports industry. Already outgrowing their new factory, popular models like the Apostle are impossible to find. Their new top sheets designs might be some of the best of the 16-17, it wasn't unusual to see people stopping and admiring them on the convention floor. See what is going on in this video preview of their winter 16-17 line.