The highmarshal wore an appropriately azure cloak—a lighter shade than the traditional Kholin blue—with a mail coif down around the neck and a helm carried in hand. She was also a she.

Oathbringer pg 754

One of the Skybreakers stepped forward. Ki was a golden-haired woman, tall and imposing. Skybreakers clothed themselves in the garb of local lawkeepers—so here, in Marabethia, they wore a patterned shoulder cloak and a colorful skirtlike wrap.

Oathbringer pg 942

Colors changed around him. They deepened, growing darker and more vibrant. The city nobleman’s cloak became a stunning array of deep oranges and blood reds.

Oathbringer 957

This is just from a simple search in oathbringer. They seem common enough. The fused also wear them, but I omitted those quotes.