Always, always air dry. Always.
How to wash bras: Hand and machine washing
The seven commandments of bra-buying
How to Wash a Bra (with Pictures) - wikiHow
Are 8 Out of 10 Bra Wearers Really Wearing the Wrong Size?
Bras and Red Marks: Myth Busters & Solutions for a Happy Bust – The Perky Lady®
How often should I wash my bra? The unspoken rules of bra care
How to Wash Underwear (Hint: You're Doing It Wrong)
How to Clean and Care for High-Performance Activewear
Women Don't Want to Be Harnessed Anymore.' - The New York Times
Q&A: How a Boob Expert Shops for Bras
How to Wash Bras Reviews by Wirecutter