Adidas Terrex trainers are a line of outdoor performance shoes designed for activities such as hiking, trail running, and mountain biking. They are known for their durable construction, reliable grip, and comfortable fit. Some popular models of Adidas Terrex trainers include the Terrex Swift R2 GTX, Terrex AX3, and Terrex Free Hiker. Each model features unique design elements and technologies, such as Gore-Tex waterproofing, Continental rubber outsoles for superior grip, and Boost cushioning for comfort and energy return. These shoes are a great choice for anyone looking for reliable and high-performance outdoor footwear.