The phrase "are layered with a" is correct and usable in written English.
It can be used to describe something that has multiple layers or levels, often in a metaphorical sense, such as in art, design, or even emotions.
Example: "The painting is rich in texture and are layered with a variety of colors that create depth and intrigue."
Alternatives: "are composed of a" or "feature a layering of a".
Slices of Blue Ribbon Bakery pullman are layered with a choice of Irish cheddar, taleggio or Gruyère, and optional caramelized onions ($1 extra) or ham ($2).
With a beat-boxing and marching groove throughout, Jackson's vocals are layered with a spoken bridge added by Teddy Riley and a whistling refrain.
A similar approach can be applied to imaginative effect in a potato tatin, where new potatoes replace the apples, and are layered with a salty element or two such as feta, olives or anchovies.
In the public spaces, textures and details are layered with a fastidious and eclectic eye: Syrian chairs inlaid with mother-of-pearl pulled up to cerused oak shelves well-stocked with volumes for actual reading; velvet banquettes; a discreet check-in counter left over, it seems, from the days when the French still made time for the illicit afternoon rendezvous called cinq à sept.
To a British person, they feel like any familiar CloneZone town - except they are layered with a strange hatred you cannot grasp.
Finally, as previously announced, the passport cover would also be layered with a protective metallic material.
An Indian ceremonial elephant blanket, embroidered in rust- and plum-colored threads, covers the bed and in turn is layered with a red cashmere throw.
For example, a color photograph taken in 1984 of a drawing of an owl can be layered with a color photograph taken last month to clearly show changes in the rock face.
To whisk your Christmas into full snow-capped alpine splendour, here's an easy but wowing dessert, in which crisp meringue is layered with a chestnut and ricotta cream.
Outside the choir door, a bulletin board was layered with a collage of cards, printed emails and letters, flags of hope and despair, asking the sisters for an intercession.
In England I can do a print that's nostalgic, and I know that it's going to be layered with a chunky cardigan with a granny feel and worn very tongue-in-cheek.
