CW-X Women's Xtra Support Running Bra Xtra support bra offers a "hook and clasp" closure system 5-point star soft support web system Crossover racer-back reinforced with support webbing for back support Sizes include 36-40 D, and 36-40 DD CW-X is the sport technology division of Wacoal Corporation - largest intimate apparel producer in the world the 5-point star soft support web built into each cup Reinforced with side supports and extra web overlay Stretch mesh channel under each cup for moisture evaporation and comfort