Revolutionary patent pending Bravado Dynatexª fabric - combines premium cotton & luxurious microfiber all in one. Breathable & seamless fabric - provides added comfort. Four-way stretch fabric molds to the nursing mom's changing breast shape. Slimming back panels - Bravado Dynatexª fabric smoothes unwanted bulges and helps prevent visible bra lines . Lightweight and wire-free, yet strong & supportive even to a L/M cup. Smooth and wrinkle free great to wear under her favorite shirt. Full drop away bra cup important for skin to skin contact . Added value - includes a free hook and eye extender, and a free color-matched bra conversion kit.