The caps the cuffs and bodice look more like a part of the fabric then
embroidery. The bodice, if you enlarge the pictures appears to be pleated.
There are other paintings that have pleated or gathered fronts.
Perhaps brocade is not the correct term. What I am saying is that the fabric
may have had a design woven on one of the selvage ends (similar to some sari
fabrics), including the "yellow" band and the seamstress may have made use
of it by cutting the fabric and sewing it so that the design would end up at
the cuffs, bodice and caps. The band seen is to big for a simple running
It appears to be a necklace and not a partlet. There may be a fob on the end
hiding in the cleavage.
<<<<The chemise looks like it is smocked to me. The tiny pleats and near
same color embroidery would match.
Is that a necklace underneath or a sheer partlet?
As for the sleeves, it looks like embroidery to me. Much of what we think
is brocade from period was actually embroidered, not woven. Especially if it
had coat of arms on it. I see running stitches across the sleeves, caps, and
wrist ruffles, but not the bodice itself. It looks to me like a contrast
piece for the upper bodice and sleeve tops with a stitch to bring the sleeve
tops and the caps together visually.