Lightweight Breast Forms - Triangle Shaped Prosthesis

Price: £69.99

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Our Lightweight Breast Prostheses are up to 35% lighter than our traditional silicone breast forms and designed for comfort.  The breast forms are soft and squishy like real breast tissue so they will give you a natural look and feel.  With a large selection of sizes, we cater from A cup to even the most voluptuous of women.  We sell a cheaper alternative to this product in the same shape in the Silicone Breast Prosthesis.

  • Available in AA to H cup
  • Symmetrical shape - can be worn on both sides
  • Each breast form has a concave back for comfort
  • Up to 35% lighter than traditional silicone breast forms
  • Average/High Profile
  • Perfect for swimming and sports as extra lightweight
  • Best worn with a mastectomy bra/ swimsuit with pockets for support
  • Available to purchase individually or as a pair depending on your needs

If you are unsure of which size to choose, please view our Prosthesis Size Guide.
For more detailed information on the sizes of our breast forms please see our Breast Prosthesis Weights and Measurements.
For more information on storing and cleaning your breast forms, please view our page Caring for your Breast Prosthesis.

Additional Information

As the leading supplier of breast forms worldwide we wish to help you restore your confidence and feeling of femininity after a mastectomy or lumpectomy.  Our prostheses can help provide a balanced shape post surgery and help provide a temporary solution between the time of reconstruction surgery or offer a permanent solution.

Our triangle breast forms are our most popular shape.  The lightweight breast prostheses have been designed for comfort, they are made from 0.22% foam powder and 99.78% silicone with a TPU (plastic film) outer covering providing you with a lighter alternative to the full, silicone breast forms. 

Our triangular breast form is a full breast shape which will fit many types of breast shape, they are symmetrical so they can be worn on either side.  The triangle shaped breast forms work perfectly for women with round and full breasts (known as Archetype) and Athletic breasts (breasts that have more muscle and less breast tissue).  Our triangle shaped breast forms are also a popular choice with crossdressers.

Breast Cancer Care is a breast cancer support charity that gives expert advice and support for anyone diagnosed with breast cancer.  Please visit whether you are worried about breast health and want the facts or need some support to face breast cancer.

If we do not have your size in stock please check our search on the main Breast Prostheses page for other breast forms in your size, or alternatively please email us at to request your size and we can make it for you.