Features: Sweat-wicking and breathable material Non-removable, light padding Recycled polyester Herbafoam™ cups No clamping. No underwires. Just top-level support. Adjustable, responsive straps that stay put Offers medium support all the way around each breast Tight, secure fit with high, round neck Reflective logos at the front and back Size Chart (Inches) Bust Underbust Cup Size XXS 30 — 31 26 — 27 30 — 31 XXS D-DD 31 — 32 1/2 26 — 27 28D-28DD XS 31 — 32 1/2 27 — 28 30A-30C — 32A-32B XS D-DD 33 — 34 1/2 27 — 28 30D-30DD S 33 — 34 1/2 28 — 30 32C — 34A-34C S D-DD 35 — 36 1/2 28 — 30 32D-32DD M 35 — 36 1/2 30 — 31 1/2 36A-36C M D-DD 37 — 38 1/2 30 — 31 1/2 34D-34DD L 37 — 38 1/2 31 1/2 — 33 36A+-36C+ L D-DD 39 — 40 1/2 31 1/2 — 33 36D-36DD XL 39 — 40 1/2 33 — 34 1/2 38A-38C XL D-DD 41 — 42 1/2 33 — 34 1/2 36D+-36DD+ On Performance Flex Bra XS Storm Polyester