Boys Tuxedos Baby Toddler, Children's Tuxedos Kids Tuxedos. Looking for tuxedos for your kids for a wedding? Need to dress your kids up for any formal event? The reason the peak was the tuxedo is notch lapel was the suit. You're used to seeing two-button notch lapels as different suits. A tuxedo, besides having satin on the lapel, is.