kr kristin got tested and had the mutation and a 90% chance of getting cancer as well. like kara, she had reconstruction with implants. after a year of sickness and surgeries. >> we thought we could wear a regular bra. >> reporter: they couldn't. it makes breasts lighter and flatter. mastectomy bras work for some but not then. >> i didn't go through for implants to have to wear them on top. >> reporter: the sisters did research, surveys, and the brags bra was born. >> the insert is into in to fill out the apex and provide coverage. >> reporter: it has side support and no uncomfortable wire. she also has a double mastectomy and a new baby. getting used to the implants was tough. >> these are my new breasts and require a different bra. >> reporter: as for the sisters, this is for their mom and all those out there who want to look good and feel good after a long and draining battle. >> our mission, really, in the scope of things is to empower women to dream again and to live again. we want them to be able to brag again. >> melissa mclay, news 4. >> we posted a link to brag