Side zipper closure and a strong #10 YKK zipper and two double sliders The Explorer Deluxe ZIP XL is a foot longer than the Expedition ZIP and was designed for anyone up to 300 lbs. / 136 kg and 7' / 213 cm tall. It has our patented asymmetrical shape and structural ridge line to ensure exceptional comfort and a perfect set up every time. It also has the same high performance materials, proportions and protection as the smaller Expedition ZIP. If you are really close to 6 feet / 183 cm tall and you want the luxury of extra space, this would be a good choice. Swap out the standard rainfly for the larger, heavier, polyester Asym Hex Rainfly, for the difference in cost using the green Customize button. Patented Features Tom knew that the people of Central America sleep diagonally in their hammocks. So, with that knowledge, he changed the shape of his hammock into his patented asymmetrical design which lets you lie level on the diagonal with excellent support under your lower back and knee