The Adidas EQT Support RF PK Mens White/Silver Trainers are a modern take on a classic running shoe. They are made from a breathable Primeknit upper that provides a comfortable and supportive fit. The midsole is made from a combination of Boost and EVA foam, which provides a responsive and cushioned ride. The outsole is made from a durable rubber compound that provides good traction on a variety of surfaces. Features: - Breathable Primeknit upper - Boost and EVA midsole - Durable rubber outsole - Lace-up closure - 3-Stripes branding - Torsion system Primeknit: Primeknit is a type of knitted fabric that is made from a single piece of yarn. This fabric is very breathable and provides a snug and supportive fit. Boost: Boost is a type of cushioning technology that is made from thousands of tiny air capsules. These capsules are designed to absorb impact and provide a springy feel. EVA: EVA is a type of foam that is commonly used in running shoes. It is lightweight and provides good cushioning. Torsion system: The Torsion system is a technology that is designed to provide stability and support to the midfoot. It is a series of plastic rods that are embedded in the midsole, which help to prevent the foot from rolling inward. The Adidas EQT Support RF PK Mens White/Silver Trainers are a great choice for men who are looking for a comfortable, stylish, and versatile pair of running shoes that are perfect for everyday use. They are also a good option for men who are looking for a shoe that provides good stability and support.