McCall's M5400 sewing pattern, dated 2007, now out of print.

Misses' 2 Piece Bathing Suit and Cover Up:

Lined halter tops have separate pattern pieces for A/B cup and C/D cup. A: Front ruffle. C, D: Purchased swimwear hooks. E: Waist-length and front tie. Below waist bottoms have lined crotch and high cut legs. G: Ruffle. Pull-over cover-up has long sleeves with seam opening and side slits.

Swimsuit designed for stretch fabric such as Lycra

Cover Up designed for lightweight woven fabrics 

Sizes 4 - 6 - 8 - 10 - 12:

Bust 29.5 - 30.5 - 31.5 - 32.5 - 34 inches / 75 - 77 - 80 - 83 - 87 cm

Waist 22 - 23 - 24 - 25 - 26.5 inches / 56 - 58 - 61 - 64 - 67 cm

Hip 31.5 - 32.5 - 33.5 - 34.5 - 36 inches / 80 - 83 - 85 - 88 - 92 cm

Pattern has a few pieces cut (to size 12), remaining pieces are uncut. Envelope is in good condition.

More 2000-now and out of print patterns here:

https://allthepreciousthings.com/collections/2000-now