Why are bras not made of 100% cotton?

Cotton is a popular natural material that is durable, breathable and feels oh so comfortable against the skin. But why aren’t our cotton bras made of 100% cotton?

Joey Cotton Spandex Bra for More Developed and Growing Girls by Yellowberry

Cotton Wireless Basic Bra, 50/52 Sizes - tiVOGLIO

Women's Organic Cotton Bras

Why are bras not made of 100% cotton?

Why are bras not made of 100% cotton?

Best Cotton Bras: Wireless And More Comfortable Styles

Bras – Cottonique - Allergy-free Apparel

Why are bras not made of 100% cotton?

5 Reasons Why Women / Girl Need to Wear a Bra - Clovia

Get comfortable support without skin irritation with our 100% organic cotton front closure bra to soothe sensitive skin around nipples and on the

100% Organic Cotton Front Closure Bra

Merino Sprite Racerback Bra - Icebreaker (US)