From The Modern Sewing Co.:
A classic, long length dress with a collar, lapels, two-piece sleeves and an optional tie belt.
Fit notes: The Celia Dress is fitted on the shoulders and features an a-line cut with plenty of room for comfort and movement. The two-piece sleeve and the collar add a touch or smartness to an otherwise casual dress.
Construction techniques: Collar & facings, side pockets, gathering details, double yoke and a two-piece sleeve.
Recommended Fabrics: Light/mid weight cottons and linens work well, tencels, silks or something heavier such as denims, corduroys or wool suiting.
Sizes: UK 4-20 or UK 18-28