The Second Skin from ThirdLove is one of the better unlined bras I’ve tried out. The cups have a double layer of fabric, so the bra looks more opaque than sheer. But it’s still lightweight ...

This style is beloved on Amazon, with reviewers raving about its softness and three different adjustable straps (one nude, one clear, and one floral embroidered)—one customer even called it the “best ...