Features Ergonomic 3D cutting YKK zipper 3 pcs dimensional cutting collar CoolPlus fabric is breathable and radiating Ultra-breathable fabric in armpits Anti-bacterial UV Protection Moisture absorbing and quick drying Elastic bottom hem Reflective visibility stripes for safety night ride Special sleeve gripper for better fit Surface: Coolbest 100% Side panle, back: Spandex 20%, Polyseter 80%