Sew-Free collections are made of the latest seamless bonding technology. It is suitable for professional racers or advanced cyclists or hardcore enthusiasts. It is lightweight and fit, with 3D tailoring to reduce air resistance and allow you to shuttle freely to increase speed. The cycling suit combines three different fabrics. Front/back are made of MCT-A fabric which is soft, light, breathable, and high spandex with free cutting no binding, high wrapping, and increased comfort. The side is smooth diamond mesh fabric to increase the air permeability and fit feeling. The back bag is made of relatively compact, light, and breathable fabric with high resilience, so as to meet the purpose of fixing the items carried when riding the bicycle.