SIMPLY SOUTHERN. YTH-LSNAUGHTY. YOUTH LONG SLEEVE NAUGHTY UNTIL PROVEN NICE T-SHIRT. HEATHER GREY. The little girl in your life is going to love this Simply Southern Youth Long Sleeve Naughty or Nice T-Shirt for Girls in Heather Grey. Featuring a fun Santa graphic and long sleeves she will be cute and cozy for all of your holiday festivities.