Madewell Second Wave Racerback Rib One-Piece Swimsuit This Madewell Second Wave Racerback Rib One-Piece Swimsuit ($42, originally $70) also comes in a dark yellow shade. Image Source: shop.nordstrom.com Madewell Second Wave Racerback Rib One-Piece Swimsuit $42 from shop.nordstrom.com Buy Now