EBY All Day Balconette Bra Pearl Wire-Free Support Alternative to an underwire. Strategically designed to provide pain-free support, the molded cup is attached to the bra band using our bonding technology, which creates a wire-free structural support. 3D Wing Suspension A silicone support layer is suspended between the inner and outer layers of product fabric, creating an embedded support system that gently molds to your figure, and annihilates side bulge. New with tag