From the Churchmouse website:
SIZES
To fit bust sizes: 32-34 (36-38, 40-42, 44-46, 48-50)"/81-86 (91-96, 102-107, 112-117, 122-127)cm. With ease of: approximately 4-6½"/10-16.5cm. For more ease, choose a larger size.
Finished dimensions: 38.5 (43, 46.5, 50, 54.5)"/98 (109, 118, 127, 138)cm, after seaming.
YARN
Choose a yarn, from sport- or light-DK-weight to lace-weight, that will result in a nice, supple drape. Yardage is given for sleeveless versions; yardage for sleeves is additional.
Longer version (without sleeves): Approximately 860 (960, 1045, 1160, 1280) yds/786 (878, 956, 1061, 1170)m of a sport- or light-DK to lace-weight yarn.
Shorter version (without sleeves): Approximately 670 (750, 820, 920, 1015) yds/613 (686, 750, 841, 928)m of a sport- or light-DK to lace-weight yarn.
To add bracelet-length sleeves: Approximately 230 (230, 250, 270, 280) yds/210 (210, 229, 247, 256)m.
Longer version without sleeves shown in Shibui Twig (190 yds/174m each) Color 2001 Abyss. Model is wearing 43"/109cm finished size with 9"/23cm bust ease; 2"/5cm hip ease.
Shorter version with sleeves shown in Rowan Kidsilk Haze (230 yds/210m each) Color 664. Model is wearing 43"/109 cm finished size with 4½/11cm bust ease; 3"/7.5cm hip ease.
For custom lengths: To lengthen or shorten body, add or subtract approximately 30 (33, 35, 39, 41) yds/27 (30, 32, 35, 37)m of yarn for each 1"/2.5cm of knitted body length.
NEEDLES & NOTIONS
US 4 (3.5mm) needles, or size to obtain gauge.
2 locking markers.
Darning needle to finish.
GAUGE
22 sts/32 rows - 4"/10cm in stockinette stitch on gauge needle, after blocking.
KNITTER'S NOTES
Tee is worked in pieces and seamed with mattress stitch. Optional bracelet length sleeves are picked up and knitted down from the armhole. The long version has side vents at the hem.