If she likes the freedom of a bikini but also appreciates the security of a one-piece, get her the Patagonia Girls Two-Piece Swimsuit Set for the best of both worlds. The suits racer-back top stays put even if she gets tumbled by a wave or braves a jump off the 3-meter diving board. But even as your little athlete is putting this suit through its paces, shell love the feminine touches like the perky print and the soft gathers around the contrasting bands.