O' Womaniyah! Women's Sports Bra O'Womaniyah's Active bra is for an active girl/women who love being bold and vibrant keeping her feminine edge maintained along with style and comfort. XS-Underbust: 67-73cm Bust:81-87cm S-Underbust: 72-78cm Bust:86-92cm M- Underbust: 77-83cm Bust:91-97cm L- Underbust: 82-88cm Bust: 96-102cm.