Super 100's Pure Australian Merino Wool tuxedo in a classic Dinner Suit black. Fine twill fabric with a satin shawl collar. A shawl collar tuxedo should only be worn with a wing collar shirt while a peak lapel dinner suit can be worn with either a classic collar dinner shirt or a wing collar. As the longest standing Woolmark licensee in Australia with over 50 years of close collaboration, Anthony Squires is committed to using the finest Australian Merino Wool in every suit .