The ISM PN 2.1 is a triathlon version of the road-focused PN 1.1. It features the same 110mm width and maximum padding. The PN 2.1 has a rear triathlon transition hook, and upgraded Chromoly rails. Maximum thigh and hamstring clearance. Nose-less design removes pressure from soft tissue, ensuring maximum blood flow, no genital numbness, and a healthier, more enjoyable ride. PN chassis with an added rear transition hook. 40-series foam-and-gel padding. Color: Black. Width: 110. Length: 270. Material: Synthetic. Gender/Age: Unisex. Gender/Age: Women's. Rail Material: Chromoly. Clamp Style: Std Rails. Defined Color: Black. Saddle Cut Out: Yes.