Fizik Arione Tri 2 Saddle with K:IUM Rails 2012: The Choice of World Champion Triathletes. Additional nose padding for increased comfort. Seamless nose cover design for smooth transitions to the front of the saddle. Cover: Black Microtex Shell: Nylon Carbon Reinforced Rail: K:ium Thigh Glides: Anthracite with :K Design Weight: 239 gr Dimensions: 302, 5 x 132 mm