Swimming with a breast form: what to know before your first swim

Red Peony · October 1, 2026

The first swim after a mastectomy tends to come with a few practical questions nobody mentioned at the hospital. Here are the ones we hear most.

When can I swim again?

That's one for your surgeon or care team, and the answer really does vary. It depends on how your incisions and any drain sites have healed, whether you had reconstruction, and whether you're having radiotherapy, which can leave skin sensitive to chlorine and sun. It's worth asking at your next appointment so you're not left guessing in the summer.

Can I wear my everyday silicone form in the pool?

Sometimes, but check with the maker first. Chlorine and salt water can be hard on silicone and on the film that covers it, and some makers say their everyday forms shouldn't go in the water at all. If yours can, rinse it in fresh water straight after swimming and dry it the way the maker recommends.

What's a swim form?

A breast form made for water. Swim forms are usually lighter than everyday forms, and many are made to cope with chlorine and salt. Because they're lighter, they also sit more comfortably in a swimsuit pocket and are less likely to pull the neckline down. Many women keep one form for every day and one for swimming.

Does my insurance cover a form?

In the U.S., the Women's Health and Cancer Rights Act requires most health plans that cover a mastectomy to also cover breast prostheses. What exactly is covered, how often, and from which suppliers varies by plan, so ask your insurer and your care team for a prescription before you buy.

Will the form stay in when I swim?

In a swimsuit with proper pockets, yes: the pocket holds the form against your chest, so it doesn't float up or drift sideways. Without a pocket, it's much more likely to move. Put the form in before you put the suit on, and check it's sitting flat before you get in.

After the swim

• Take the form out of the pocket and rinse both the form and the suit in cool fresh water.
• Let the pocket dry completely before you put the form back in.
• Dry the suit flat in the shade, away from radiators and direct sun.

Looking for a suit with pockets? Browse our mastectomy swimwear, or read how to choose one.

This article is general information, not medical advice. Please ask your surgeon or care team about your own situation.