Features: Size: M(CN),S(EU/US)=Chest 41.7/ L(CN),M(EU/US)=Chest 43.3 / XL(CN),L(EU/US)=Chest 44.8/ XXL(CN),XL(EU/US)=Chest 46.4/ XXXL(CN),XXL(EU/US)=Chest 48(Optional) Lightweight, breathable and quick-drying fabric wicks away moisture and allows you to stay cool. Unique mesh fabric on the back keeps you dry and cool. Skin-friendly soft material in the collar gives your neck comfortable feeling. Reflective areas, such as elastic sleeve cuff, logo brand purpose to enure visible and safety in low light. The front zipper pocket,easy to storage small items. Water resistance liner fabric with taped full zippers to ensure great rainproof property. Suitable for cycling, running,outdoor sports activities freely.