Tailored Slim Fit Design Specifically cut for the female body shape to ensure a flattering silhouette without restricting movement, providing a professional look for your cycling outfit. Lightweight Windproof Shield Constructed with ultra-thin wind-resistant fabric that blocks cold drafts effectively while remaining breathable enough for high-intensity aerobic exercise. Convenient Rear Storage Features 3 elastic back pockets designed to securely hold smartphones and nutrition gels, keeping essentials stable and accessible while riding. Dual-Zipper Ventilation System The innovative double-opening zipper allows for adjustable airflow from the bottom up, helping you regulate body temperature and prevent overheating during climbs. Versatile Multi-Sport Use Ideal not just for road biking and MTB, but also perfect as a running vest or hiking layer for spring and autumn outdoor activities. Size Recommend （ Please note that Asian sizes run smaller than European sizes. We recommend choosing your size based on the weight chart. ） Tag Size S:40-45 KG / Tag Size M:45-50 KG / Tag Size L:50-55 KG / Tag Size XL:55-60 KG / Tag Size 2XL:60-65KG /  Tag Size 3XL:65-70KG Women cycling vest; slim fit bike gilet; ladies windproof jacket; breathable running waistcoat; sleeveless cycling top; lightweight bicycle vest; women's mtb gear; reflective safety vest; pocketed bike clothing; stretchy cycling wear; thermal windbreaker; outdoor sports vest; fashionable bike apparel; quick dry cycling gear; elastic fit jacket; anti-wrinkle vest; commuter cycling clothes; spring autumn bike wear; aerodynamic cycling vest; moisture wicking top