75% nylon. 25% spandex Classic racerback design 4-way stretch. breathable and sweat-wicking. anti-squat Vertical stripe texture. casual style High elastic stretch Double straps provides excellent support Soft and comfortable. soft to the touch Skin-friendly. high elastic stretch Great for sports activities and everyday life Stretch T-back Sports Bra With Built-in Bra, Sporty 4-way Stretch Activewear With Mesh Back, Sporty Tops With Built-in Bra And Supportive Fit, Sleeveless Sports Bra With Built-in Padding For Yoga, Solid Compression Tank Top With Built-in Padding, Sporty Stretch Tank Top With Built-in Bra, Compressive Yoga Tank Top With Built-in Padding, High Stretch Cross Back Sports Bra With Built-in Padding, Functional Tops With Built-in Padding And 4-way Stretch