Built-in bra for maximum support and security while enjoying outdoor activities. Big bust certified. Super soft and stretchy sustainable materials - this tank is made from lightweight yet durable Global Recycle Standard certified nylon blended with spandex so you can look good and feel good. Four way stretch provides the ultimate fit that moves with you on all your outdoor adventures. Contoured racerback design for unrestricted movement. Compressive fabric that's soft, sweat-wicking and lightweight to keep you comfortable and cool. Double-lined bust, designed for medium impact activites. Excellent as an under-layer for most activities. UPF 50+ sun protection.