Dress runs true to size but if you're taller than 6'0" and have long arms and a long torso the hem and sleeves are short the underarm is snug wear the rest of the dress is not.
All this impacts were the pattern lies on your body.
Next time I'll pass on the plus size offering unless it's separates or sleeveless and highly adjustable one-piece dresses and jumpsuits.
Material was doing what a polyester blend does.