Thus they protect themselves effectively against the small pest spirits (insects and even the smallest biting flies remain outside). Enjoy also further the view a good transparency is ensured. The central zipper, which can be opened and closed from the inside and outside, is also comfortable. The fastening is done laterally and on top with Velcro. Additional support is provided by the upper push buttons (are screwed on). The weighting at the bottom is done by lead tape. The high-quality gauze is black.