New V-Shape base paired with a wider tip and larger seating area improve comfort and overall performance. Variable density foams throughout further improve long term comfort and reduce pressure especially while in an aerodynamic position. PAS - features a channel in the seat to alleviate pressure and numbness in the pelvic region by promoting healthy perineal blood flow. CPC Models feature material on top of the saddle that provides higher grip better airflow and vibration absorption. Nack models feature a Nano Carbon composite rail paired with reinforced seat clamp area for the perfect fusion of performance and reliability. Tirox model features an aerospace light Ti-Alloy rail that provides a balance of weight and strength