Boob Armours Protective Sports Inserts have been designed to protect females playing contact, impact & ball sports. These inserts are only 2mm in thickness and weigh approximately 15gm each, making them lightweight for increased comfort. They are suitable for all contact, impact & ball sports and are an AFL/AFLW & Basketball Australia Licensed Product. The inserts can be used for any occupations that risk breast impact or injury and are comfortably fitted to all branded sports bras & crop tops. Breathable vents help to keep you cool. Suitable for females from age 8 upwards of all sizes. Both inserts fit either breast – LEFT or RIGHT. The Youth size fits a flat AAA cup size.