These seamless racerback bras come with wired, lightly padded demi-cups to provide medium support for low impact activities. The racerback features a striped mesh net design meant to be shown off. Available in assorted colors. Small/Medium fits up to bra size 34B and Medium/Large fits up to bra size 38D. Made of 90% Nylon and 10% Spandex. Machine wash in lingerie laundry bag, line dry. For better results, hand wash.