The adidas UltraBoost 21 Cold.RDY 'Crew Navy' for women is a high-performance running shoe that has been specifically engineered to withstand tough weather conditions. Constructed using recycled polyester, the navy-colored Primeknit upper boasts an insulated interior and a water-repellent coating, ensuring your feet stay dry and warm. For a secure fit, the shoe features neon yellow laces that are threaded through a molded midfoot cage, offering optimal lockdown and stability. Additionally, the shoe is equipped with an external heel counter, further enhancing rearfoot stability. As for comfort, the UltraBoost 21 Cold.RDY incorporates a full-length Boost midsole, which delivers responsive cushioning and energy return. To provide excellent traction on slippery surfaces, the shoe is fitted with a Continental WinterGrip Rubber outsole. Experience the perfect blend of performance and style with the adidas women's UltraBoost 21 Cold.RDY 'Crew Navy'.