Triumph Fit Smart P bra without underwire. Very nice fit and support! New size chart! No. 1 covers Cup B (70, 75, 80) Cup C (70, 75). Number 2 covers cup C (80), cup D (70,75,80), cup E (70,75,80), cup F (70,75). No. 3 covers cup B (85, 90, 95), cup C (85, 90). No. 4 covers cup C (95), cup D (85, 90, 95), cup E (85, 90, 95), cup F (80,85,90). Its composition is 61% polyamide, 16% polyester and 23% elastane.