From the Knit Rowan website:
Knit this oversized cropped tee, a design from the Rowan archive of Magazine 51’s Tamsin that is now available to purchase online. Designed by Erika Knight using the stunning yarn Silkystones (silk and linen), this design is knitted in simple stockinette stitch so ideal for beginner knitters

Previously stated in Rowan Magazine 51:
Knit this over sized cropped tee for a must have style of season. This design is ideal for knitters that are beginners. One of the techniques used for this design is the stockinette stitch.

Finished width dimensions:
60: 65: 71: 77: 84 cm
23½: 25½: 28: 30½: 33 inches

Yarn Information:
From Silkystones Online Collection using Silkystones in Glade 086
8, 9, 11, 12, 13 skeins
872, 981, 1199, 1308, 1417 yards

From Rowan Magazine 51 using Handknit Cotton
9, 10, 12, 13, 14 skeins
828, 920, 1104, 1196, 1380 yards