The adidas women's Terrex Free Hiker Cold.Rdy 'Metal Grey Black' is a lightweight hiking boot specifically designed for cold-weather treks. It features a Primeknit upper in neutral tones, along with an external sleeve that can be secured using a full-length zipper. This boot is equipped with adidas' Cold.Rdy technology, which ensures warmth and resistance against wind, while a Gore-Tex Duratherm membrane provides excellent waterproof protection. The boot's tall silhouette is supported by a responsive Boost midsole, which is further strengthened by a winter-specific Continental rubber outsole.