My saddle ignorance is your gain. Not sure what the rails are made of - this was a gift.

The Selle Italia ProLink Saddle features a sleek black design with smooth leather and a logo detailing, making it a stylish choice for cyclists. With carbon rails and alloy construction, this saddle is durable and lightweight, ideal for riders looking for a high-quality, comfortable seat. The racing seat style and compact dimensions make it suitable for both road bikes and universal bike types, catering to a wide range of cycling enthusiasts. Made in Italy by the renowned brand Selle Italia, this saddle combines top-notch materials and design for a premium cycling experience.