Roxy Syncro 3/2 Back Zip Flatlock Wetsuit - Women's 2011: At whatever time you like to hit the waves, you have to be ready when they call. The Roxy Syncro 3/2 Back Zip Flatlock Wetsuit offers the best protection for the calling. Made with 100% Hyperstretch II neoprene for superior movement on the board, flatlock seams that are low profile to avoid itching and rashing, a Hydro wrap adjustable neck closure and Ecto flex knee pads for extra flex in the knee area, the Syncro Flatlock 3/2 Full Wetsuit is the perfect choice.