This tee is designed in 100% cotton and the cast on should be firm. If you are using a blend or another type of yarn the neckline could stretch considerably and you would need to modify the neckline.

Look for the coordinating child’s tee: Ruched Yoke Tee Child

Sizes: 34½ (38½, 42½, 46¾, 51¼, 55¼)“ bust circumference. Tee shown measures 34½”, modeled with about 1½“ of ease.
Yarn Blue Sky Alpacas Skinny Cotton (100% organically grown cotton; 150 yd 137 m/65 g): #313 basil (green), 6 (7, 7, 8, 9, 10) skeins.
Needles Size 6 (4 mm): 24” & 32” circular (cir) and 2 double-pointed (dpn). Adjust needle size if necessary to obtain the correct gauge.
Notions Markers (m); waste yarn; tapestry needle.
Gauge 20 sts and 34 rnds = 4” in St st.