Universal Fit and Extra Comfort Compatible with Peloton bike/bike+, indoor stationary spin bike, electric bike, road bike, and fitness bike. Features a unique breathable design to enhance its heat dissipation. Waterproof, sweatproof, and slip-resistant. Air Ventilation Groove to Stay Cool : The bike saddle features a breathable hollow groove that greatly reduces pressure on private areas, ensuring constant air circulation, so you can enjoy a cool and comfortable ride. Oversized Thick Design : The bike seat cushion features high-density and high-resilient memory foam. Its ergonomic design snugly fits the hips and expands the supporting points for even weight distribution, deeply protecting your waist and hips from the damage caused by narrow seats. Dual Shock Absorption System : The bike saddle features a shock-absorbing metal bow design and a dual shock-absorbing ball combination, providing better shock absorption. The cushion rebounds freely to reduce pressure on the waist and hips. With specially designed groove and shock-absorbing bow for Peloton bike+ users to ensure a perfect fit and a free ride. Waterproof and Wear-resistant: The bike seat surface is made of durable PU leather, easy to clean, and resistant to water, sweat, and wrinkles. The seat is perfect for riding in any weather condition, allowing you to fully enjoy your ride. bike seat