Theory Women's Riduro Organic Cotton Slub Long Sleeve Button-Up Shirt in Clover Green A better button-up is knit from oh-so-soft organic slub cotton and fastened with bigger buttons for an updated and laid-back look and feel. Note: Fabric tag has been removed. Style Name: Theory Riduro C.nebulous Organic Cotton Slub Long Sleeve Button-Up Shirt. Style Number: 6103460. Size Small - see photos for approximate measurements In excellent previously loved condition Reasonable offers welcome!