For intense training sessions in cold weather, the Nike Pro Women's Hyperwarm Tights are a perfect choice. These spandex base layer bottoms are made with Nike's Hyperwarm fabric, which provides excellent insulation and moisture management. The brushed interior feels soft against the skin, while the flat seams reduce irritation. The elastic waistband offers a snug and comfortable fit, and the stretchy fabric allows for a full range of motion. Whether you're running, cycling, or doing yoga, these tights will keep you warm and supported.