This is a pair of Montbell cycle trainer pants. The color is blue (pure indigo) and the size is men's M. The outer layer is made of windproof and water-repellent fabric, while the inner layer uses Clima Plus 100 made with ultrafine yarns, providing warmth. They are designed for cycling, so they are stretchy and also suitable for trekking and light exercise. I purchased these last year, but I haven't had a chance to wear them, so I'm putting them up for sale. Thank you.