More powerful and supportive inner lining to support bust. Light back smoothing construction to reduce bulge and form a smooth silhouette under clothes Seam free three layer cups More powerful and supportive inner lining to support bust. Light back smoothing construction to reduce bulge and form a smooth silhouette under clothes Stretch adjustable shoulder straps for maximum comfort and flexibility Seam free three layer cups to ensure minimal nipple show through. 2 eyelet clasp with 4 tier adjustable back Adjustable shoulder straps. Style YZKD