Old Navy Tie-Front Bikini Swim Top A bright blue Old Navy Tie-Front Bikini Swim Top ($20, originally $25) — and matching Old Navy Mid-Rise Bikini Bottoms ($10, originally $20) — would look lovely by the sea this season. Image Source: oldnavy.gap.com Old Navy Tie-Front Bikini Swim Top $20 from oldnavy.gap.com Buy Now Old Navy Mid-Rise Bikini Bottoms $10 from oldnavy.gap.com Buy Now