In recent years,Smart clothing has gradually become the focus of design research.This article is in view of the peoples sport-related physical fitness reaction when riding.It puts forward the current common problems on the design of intelligent outdoor sports cycling jerseys.And it further discusses the design of cycling jerseys of real-time monitoring function in order to reflect the physiological characteristics of sports health and the psychological characteristics of human comfort.With that,the study will start from the perspective of fashion design to solve the key problems in the process of design.Designing clothing modeling structure is based on the core principle of fashion.Choosing the fabrics of cycling jerseys is based on the required principle of comfort.Realize monitoring function of outdoor sports cycling jerseys by sensing technology as the key.Design the Arduino as electronic prototype platform.Thereby,monitor micro climate changes of temperature and humidity under the clothing.Finally,this kind of outdoor sports monitoring function cycling jerseys is a combination of sensing devices and clothing.It not only has the function of monitoring but also has the aesthetic properties of clothing design.At the same time,it meets human body structure performance.It provides reference for the design of outdoor sports smart clothing.