Ergonomic groove design, training road bike seat, Flat roads, sprints, ups and downs, all-intensity universal! Level 2 padding gives you enough comfort! Most riders measured the prostate to reduce pressure Good shock absorption and maximum sturdiness. The soft and comfortable cushion is suitable for long-distance travel. Ventilated ergonomic channels can reduce stress. Suitable for mountain bikes and road bikes. Material: BALUGOE nylon fiber floor soft leather + steel bow Size: Length: 280mm-Width 145mm Weight: about 220g +/-10G