I Solemnly Swear that I am up to No Good! Mischief Managed on Women's Cotton T-Shirt (in 27 colors) Genuine South Horizon product. Sold exclusively by South Horizon Feminine " rib mid scoop neck; sideseamed with slightly tapered Missy fit 100% Cotton, Antique Cherry Red and Heather Grey are 90% cotton and 10% polyester Dark Heather & Sunset, are 50% cotton, 50% polyester See sizes under PRODUCT DESCRIPTION below.