Prologo Nago EVO saddles are part of the Prologo "semi-round" shape family class and offer a great balance between flat and round shpaes for both short and long distance riding. Best suited for road riding applications. Prologo Nago EVO saddles are part of the Prologo "semi-round" shape family class and offer a great balance between flat and round shpaes for both short and long distance riding. Best suited for road riding applications. PAS Technology (Perineal Area System) helps to eliminate pressure spikes and numbness in the perineum Light padding, nylon base, microfiber cover General Prologo sizing: 134mm width size is available in Prologo's Round, Semi-Round, and Flat saddle shape offerings. 141, 143, and 147mm widths are also offered in select Prologo saddle shape offerings
