KATABATIC GEAR Piñon BivyKATABATIC GEAR Pion Bivy is ultralight bivy with extra large mesh panel for excellent ventilation. Waterproof floor with a water resistant upper to protect your quilt from spray and mist. Featuring an extra large mesh panel across the top of the bivy and long U shaped zipper extending from waist level across the top, allowing for easy entry and exit. The #3 YKK zipper is easy to use, and the dual zippers do not snag. All the seams and stitching are