Oklahoma Sooners Onesie oklahoma Football Onesie go Sooners Onesie ou Children's OU Sooners Helmet Fade Ivory Tee shoplivylu KIDS OU Sooners logo lines onesie red KIDS OU established helmet onesie ivory Trendy Kids Apparel Lush OU Sooners Baby Onesie w Upside Down Longhorn & Name Etsy. KIDS OU Sooners logo lines onesie from Lush Fashion Lounge women's boutique in Oklahoma City. Lush boutique in Oklahoma is known for a large selection of OU onesies, OU shirts, OU apparel and more! Officially licensed by the University of Oklahoma. 60% cotton 40% polyester. Twin with your min in the matching adult version of this onesie!