Ritchey´s WCS Trail saddle uses the same low-profile design and narrow carbon fiber injected shell as the Streem.This improves stiffness and reduces weight.- The Trail offers more padding than the Streem for longer rides.- The patented Vector Wing design dissipates pressure more evenly.- High-density superlight foam.- Micro fiber cover with Kevlar® abrasion resistant sidesSpecifications: - Shell: Carbon Composite- Cover: Micro fiber- Dimensions: 280x138 mm- Rails: 7x7 mm