We adore wispy little camis as much as the next gal, but tend to flinch at their flimsiness—so we flipped when we found this scoopneck spaghetti-strap rendition, which is sturdy enough to tuck in your tummy and boost your bust sans bra. As inner or outerwear, it bulldozes bulge and is even strategically sewn to rein in roll-up. Size based on pant size to prevent roll-up.