Material/Design - Foam cups with soft cotton on the skin. Nursing frame and back made of stretch microfibre. Nursing pads do not show through the concealing material and exta-wide openings for convenient breastfeeding. The Straps are very comfortable with foam lining and wider with increasing size. The straps are connected to the breast support there fore cannot slip back when the cup is open. The back is microfibre lined with power tulle strech and 4-position adjustment.