The Astute Sunline SR VT Nylon/Titanium Saddle is the perfect saddle for riders who want the best of both worlds: comfort and performance. The round design is ideal for both road and off-road racing, and the 15% carbon fiber reinforced nylon shell is both durable and lightweight. The open U-shaped shell design is designed to decrease pressure in the perineal area, while the carbon rails provide superior support and power transfer. Whether you're training for a race or just out for a leisurely ride, the Astute Sunline SR VT Nylon/Titanium Saddle will keep you comfortable all day long.