This is the Pro Griffon Titanium AF Saddle. The Pro Griffon Titanium Saddle features carbon reinforced base construction and shock absorbing technology. Super light high density EVA padding and airflow ventilation to make this one of the most comfortable saddles available. Titanium rails add road dampening while maintaining an overall light weight. The AF version is for "Anatomic Fit" this has the cut away design for increased comfort and airflow.