The O'Neill Women's Ninja 4/3mm Chest Zip Wetsuit is part of the new Ninja series from O’Neill. The Ninja Series offers high-end quality features and exceptional durability at an affordable price. The 3/2 Ninja Chest Zip is made up of UltraFlex neoprene for freedom of movement. The suit has DL FluidFlex Firewall insulation in the torso and upper legs for insulation. Lastly, the suit is internally sealed using Ultraflex taped seams. Throw in O’Neill’s beloved F.U.Z.E entry system and a watertight double super seal neck closure you are left with an amazing suit at a competitive price.