This page contains the following solutions.
To make a red hat out of a bra for your red hat chapter. Cut straps off red bra, and sides, just leave the cups.
Red Hat Society Club Ideas
White Bra Dyed by Dark Clothing?
Using RIT Dye in a Washing Machine
Making a Crocheted Red Hat Pin
Making Bra Straps Shorter?
Making a Sharpie Tie Dyed T-Shirt
Asking My Mom for a Bra?