Compatible models and installation Compatible with Felt Virtue Nine 1, Virtue Nine 50, VR 3.0, VR 40, and VR Advanced. It can be adapted to most standard bicycles, making replacement convenient for riders with different bike types. Please check your bicycle seat type before ordering and choose the appropriate installation style. materials and comfort Made from PU leather with good breathability, and carefully stitched edges. The surface is soft to the touch and waterproof. Interior is filled with density memory foam for elasticity and support, effectively buffering vibration and providing a comfortable ride. Breathable design and shock absorption Ventilation slots run along the middle of the saddle surface to promote airflow between the body and saddle, reducing heat buildup and stuffiness. Shock absorbing balls are built into the bottom to respond to impact from different directions, enhancing overall shock absorption. Ergonomic design for comfort and protection The front end of the saddle is relatively narrow to avoid thigh friction and allow leg movement. The rear end is widened and features an ergonomic decompression groove tailored to the perineal area, helping relieve pressure and prevent compression of sensitive parts. Use scenarios Long distance rides and endurance training on compatible Felt models or other standard bikes, where improved cushioning and ventilation help reduce fatigue. Daily commuting on urban roads, where reduced friction and pressure support comfortable, allday riding. Rough road or gravel rides, where enhanced shock absorption minimizes vibration and discomfort.