Serfas TBM 40 Tailbones® Memory Foam Dual Density Saddle Colour:Black Say hello to the world’s Say hello to the world’s fastest race lube – Ludicrous AF weekend fitness Serfas Tailbones® saddles supports the sit bones and provides a smooth comfortable ride using Progressive Density Foam while a Deep Groove Design allows maximum blood flow into the neurovascular bundle for drastically reduced numbness and discomfort Limited Lifetime Warranty: Serfas stand behind their products and are committed to providing the high quality all of our customers deserve which is why Serfas® warrants to the original purchaser of a saddle that the product is free from defects in materials and workmanship for the lifetime of the product