Selle smp dynamic black saddlethe dynamic model is the ideal seat for intensive training or free time cycling the dynamic uses the structure of the forma model joined with minimal padding and a real leather cover in virtue of its small padding it is particularly suited for people with medium wide pelvises the dynamic model has foamed elastomer padding where your ischial tuberosities and rear rest and features a completely free central channel an eagle beak nose and a raised rear to give the