Cycling Vest Info from the manufacturer: 【Windproof Front & Breathable Back Design】 The high-density windproof fabric front effectively blocks cold wind penetration to the core, while the stretch-mesh back panel provides optimal ventilation to regulate body temperature and prevent overheating, making it ideal for road cycling or daily commutes in cool weather or mountain cycling. 【Pockets】3 rear back pockets provide convenient storage for your cycling essentials, such as pump, repair tool kits, water bottles, energy bars, wallet and a phone, reflective elements can enhance visibility in low-light condition, keep you safe in the darkness. 【Ideal Cycling Vest】Full-zip design easy put on/ take off, high collar aids in keeping out the draft, reflective element details throughout to keep you visible in low-light conditions. 【Super Lightweight】Utilizes ultra-lightweight fabrics that fold into pocket-sized bundles, minimizing bulk during rides‌.