Plastic-free alternatives

Natural-fiber substitutes for Old Navy — Mid-Rise Bikini Swim Bottoms in the Swimwear category.

Old Navy

Mid-Rise Bikini Swim Bottoms

92% Polyester, 8% Spandex

Health D · 100% syntheticAntimony (trace)

2 plastic-free alternatives

Sorted by Health Impact score. All have 0% synthetic content — no microplastic shedding, no plastic on skin.

Organic Basics

Core Icon Rib Trunks 6-Pack

95% Organic Cotton

Quality BHealth A$66.30

M

Madewell

Zulu & Zephyr Green Zig Zag Curve Brief

100% Cotton

Quality CHealth A$105.00

How we score Health Impact