Gossard Superboost Lace Non-Wired Bra (7738). The Gossard Superboost Lace Non-Wired Bra 7738 features seamed, wire-free cups with see-through floral lace. Scalloped edges at V-neckline and underband. Straps are fully adjustable. Gossard's Superboost Lace Non-Wired Bra is made of polyamide/polyester/elastane/viscose.