|Playtex Womens Playtex 18 Hour Active Lifestyle Bra 4159 fiber content is Cup- Blocker: 100% Polyester; Sling: 100% Polyester; Laminate: 100% Nylon; Liner: 75% Cotton, 25% Polyester; Back: 91% Polyester, 9% Spandex. Playtex Womens Playtex 18 Hour Active Lifestyle Bra Who has time to change bras between activities? This bra stays comfortable at work, at play and every day! This everyday comfort bra was inspired by sports bras, so it\'s designed for your active lifestyle. Created based on the features customers . Playtex Womens 4159 comes with 1 Bras per Pack.