Stay warm and stylish during your outdoor training sessions with the women's Nike Therma-FIT Synthetic Classic Vest. Constructed from lightweight polyester, this vest is designed to maintain your natural body heat in cold weather thanks to Nike's Therma-FIT technology. Its loose fit design accommodates comfortable layering, while the elastic hem and armholes ensure a secure fit and excellent warmth retention. The vest also features snap closure pockets for safe storage of small items.