1.Super Ergonomic Design - Three in one unique groove design, in line with the law of venous return, scientific ergonomic design to maintain a healthy Buttock, humane ventilation design, a good solution to sultry problem during the long-term riding, let you enjoy the cool wind while riding,suitable for long distance riding.2.High-Density Punching Foam - Using high-density punching foam,thicker foam in sports level,Feeling more comfortable, better protect your hips, strong wear resistance and durability.3.Microfiber Leather Fabrics - Three-dimensional(3D),Feeling soft and smooth, high-elastic, wear-resistant, scratch-resistant, can effectively expand the touching with hips and cushion, bearing vibration, and bring a sense like sitting the cloud.