This suiting fabric in heather grey is a luxurious blend of lightweight cashmere and smooth silk. (ar.tissura.com)
I somehow acquired a pair of heathered grey sweatpants and a sweatshirt that are the EXACT same color and my boyfriend refers to me as «the grey blob» when I wear them (which is all the time when it's cold)! (un-fancy.com)
One of which is this sweater in heather gray. (looplooks.net)