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The PN3.1 is based on last year’s favorite saddle, the PN3.0. The 3.1 adds a bit of extra cushioning—complementing the ISM line up very nicely. It is no surprise that more ISM saddles are raced at Kona than any other brand. Like all other ISM saddles, the 3.1 is a split nose with a wide pressure relief channel. It also has the same rounded edges as the 3.0—to reduce hamstring interference—and features a similar great look along with enough real estate to move fore/aft while riding. The saddle rails provide a good range of fit adjustability as well, making this saddle a solid bet for those unsure which split saddle to try.