Our women\'s Endurance orientated saddle, the regular Tofino saddle will fit the majority of riders, marked by a more upright position, seated more towards the middle to back of the saddle These riders sit primarily on the sit bones and therefore the wider part of the saddle. The Tofino 1.5 features titanium rails for comfort. The Channel version aims for larger contact area with the goal is to reduce pressure spots while still allowing contact with the saddle optimized for the female anatomy.