Product Details Brand: ROCKBROS Material: 95% Polyester, 5% Elastane Size: M - 4XL (EU) Color: Black Features Windproof and Water - Repellent: The front of the ROCKBROS winter cycling pants is made of double - layer synthetic material (PU) to keep you dry in light rain or snow. At the same time, it can effectively prevent the cold wind from taking away your body heat. Warm and Breathable: The MTB pants use a more breathable material to prevent excessive sweating during exercise. Our MTB pants use warm fleece material to ensure long - lasting warmth and comfort. It is suitable for training in autumn, winter, and spring. When the winter is extremely cold, we recommend wearing an extra warm layer to increase the warmth. Ergonomic Design: ROCKBROS cycling pants offer plenty of stretch around the knees. The elastic fabric consists of 95% polyester fibers + 5% elastane, ensuring a snug fit during training while maintaining flexibility. Practical Details: Velcro fasteners at the ankle area keep your pants away from the chain. The zippered pockets on the cycling pants are large enough to hold a phone, wallet, and keys, and can also securely store the contents. The elastic waistband with an inner drawstring provides a comfortable wearing experience. 100% Satisfaction: The men's running pants have 4 reflective strips to improve visibility at night. The sports pants are suitable for running, hiking, camping, skiing, and golfing. If for any reason you are not satisfied with our products, please contact us. You can return them and get a refund.