Nike Pro Engineered Hyperwarm 1/2 Zip - Women's Add some versatility to your training gear with the Nike Pro Engineered Hyperwarm Hybrid Top, a style using Hyperwarm fabric to keep you warm in cold conditions. This top features a wider neck with drawcords to adjust to changing temperatures and thumbholes on the sleeves to allow extra coverage. The slim fit makes this a great layering piece to wear under a uniform. 88% polyester/12% spandex. Imported.