Super Simplex is back in stock!

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Welcome!

Bra Builders in an online lingerie fabric store which specializes in bespoke kits that meet our customers' needs at the intersection of function and beauty. We believe in the myriad ways that beauty can be expressed, and we love them all. Scroll down to learn about our shop and to see what's new.

The Cashmerette Collection

Click here for the Willowdale bra kits

See all our kits that are created around the Willowdale bra pattern from Cashmerette.

See the kits

Click here for Radcliffe undie kits

See the undie kits that work with the Radcliffe pattern from Cashmerette.

See the Kits

Sewing with Threads Podcast with Sue and Emma

Our Bespoke Process

Infinite Options, Order Checks, Dyed to Order, New Color Adventures