Delta is a standard fit cardigan with set in sleeves. The body is entirely worked in the round and the sleeves are knitted separately in the round to the armholes, with the sleeve caps knitted back and forth in rows.

Small – Underarm (buttoned) 88.5cm. Length 61cm.
Medium – Underarm (buttoned) 97cm. Length 63cm.
Large – Underarm (buttoned) 105.5cm. Length 65.5cm.
X Large – Underarm (buttoned) 114cm. Length 68cm.

Two versions in two color ways, Sea (blues) and Sand (light beige and white):
Delta Cropped: a cropped cardigan
https://www.virtualyarns.com/store/designs/delta/
Delta Classic, a longer cardigan
https://www.virtualyarns.com/store/designs/delta-classic/