think I would put in at least one buttonhole and a gorgeous large button onto this pattern from Sirdar's Big Bamboo Knits (409) and features 15 handknits for women in fabulously soft and light Sirdar Big Bamboo yarn.
Mason by Michelle Mason Turtleneck. Top-down Raglan. Classic shaping, increases/decreases every 2 rows.
Over Size Knit Sweater for Women Blue | mountaingothartfire - Clothing on ArtFire