Que sont les OGM dans les aliments ? Guide pratique Luxe Rib Sleeveless Mock Neck Tank. The Luxe Rib Sleeveless Mock Neck Tank is the perfect addition to your tank collection. With its mock neck design and fitted silhouette, this tank top flatters your figure and accentuates your curves. Whether you pair it with jeans for a casual look or dress it up with a blazer for a more polished ensemble, this mock neck tank is a must have.