I don`t see a cup size on it , just that it is a size large . Its either a C or D cup But here is what I found on the internet for this bra so I say yes it will fit a D cup ---
The CustomFlex Fit construction that shapes to fit the wearer allows for Barely There's Smart Sizes system. Finding the right size bra is simple and streamlined because five easy sizes -- XS through XL -- replace 16 complicated cup-and-band sizes of traditional bra sizing systems. Five sizes fit all -- it's that easy!
The Barely There bras are surging in popularity because finding the right bra size is the number one complaint of woman about bra shopping. An amazing 65 percent of women reported having difficulty finding their bra size when shopping, according to a Barely There online survey conducted last year with more than 5,800 women.
Barely There Dreamform bras are available at national retailers, including Macy's, JCPenney and Kohl's department stores, with a suggested retail price of $32. Further information about the Barely There Dreamform line can be found at www.BarelyThere.com. Shoppers can also "Like" Barely There on the company's Facebook community page, www.Facebook.com/barelythere, where information is shared on new products, promotions and tips for solving a variety of bra, panty and shapewear issues.
Yes, I take paypal ... I love the fit of these bras and I love the extra support from the thick back strap , I think I will like them even more come winter .. summers I get to hot with that thick band.I guess we can`t have it all !! LOL