This pro-level womens XC saddle is super light & strong with firm cushioning for all-day rides on the trail.> Womens BG cut out is medically tested to reduce soft tissue pressure > Lightweight medium density EVA foam tuned specifically for women is supportive but plush > Stiff carbon-reinforced shell for longevity & all-day riding efficiency > Light & super durable hollow Cr-Mo rails > Tough light & water resistant Micromatrix cover > Available in sizes 130/143/155