Size Small- 34A-B. This is a sports bra that has nursing and pumping features! Stylish and supportive Easy one-handed nursing and secret hands-free pumping access Medium to high coverage Medium-high impact activities, great for running, weight lifting, and all 6-row adjustable back closure for a super custom fit, and designs that change with your body's natural shape, size, and movement The wide shoulder straps provide added comfort and avoid blisters during a workout Stretchy, breathable, wrap your body in buttery soft and supportive fabrics Completely wireless, may assist in decreasing mastitis Breathable mesh lining for a cooler workout