sunback
sunback
(ˈsʌnˌbæk)adj
(Clothing & Fashion) (of a dress or top) cut low at the back to expose the back to the sun
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014