Here is Simplicity Pattern # 3678 UNCUT Misses Dress for STRETCH KNITS ONLY with Bodice and sleeve variations in sizes 8 10 12 14 16 from the Threads Collection.
Fabric: Jerseys, Lightweight Double Knits, Stretch Velvet, Velour, Novelty Knit Fabrics.
The pattern and instructions are still factory folded the envelope shows some wear and creases from storage.