O'Neill Sun Dip Cover Up . The O'Neill women's favorite Sun Dip cover-up will go with you from the beach to the festival, to the mall. This loose fit long sleeve woven mini dress is 100% viscose and features a two-tone dip dye. full length bell sleeve with open shoulders, multi strap detail at back, and our signature O'Neill metal logo badge. It is 28 1/4” in length from high point shoulder.