36B but this brand runs small particularly in the band and this model is small in the bust. It would be best for for 34B or 34C. Also have the Beth matching high waist brief for pinup look available in size 8. The Beth Longline Bra combines the look and design of the 1950s with the comfort of today's bras. Beautiful black longline bra that can be used as both an undergarment and outerwear. The Beth Longline Bra is produced in the UK. The lower half of the cup is lightly padded with 3mm foam to highlight the decorative stitching, while the upper half of the cup and velvet panel are lined with sheer lingerie denier. Color: Black Material: 80% polyamide, 20% elastane