Puma's performance sports bras offer a 360-degree stretch, and tag-free comfort, and they are made with DryCell moisture-wicking technology that keeps you comfortable all through your workout. Both bras offer a convertible, adjustable strap that can go from over-the-shoulder to crossback design. SMALL - 32 C/D or 34 A/B MEDIUM - 34 C/D or 36 A/B LARGE - 36 C/D or 38 A/B X-LARGE - 38 C/D or 40 B/C