Cotton and elastane are the fabrics used. Made of cotton elastane stretch fabric for optimal comfort and stretch. Soft cushioned hook and eye closure for comfort, and broader straps for more support. Light and soft foam padding on the racerback bra. The unique design and soft bottom band hold the bust in place. Free of labels for all-day comfort. Ideal for athletic wear and gym wear. Wear it on a daily basis to boost your active lifestyle.