The NIKE AEROLOFT Running Jacket for men in size M is a stylish and functional outerwear piece designed for running and outdoor activities. Made with a polyester shell and insulated with down, this long sleeve jacket provides warmth and breathability. Featuring a full zip closure, zipped pockets, elastic waist, and moisture-wicking technology, this jacket is perfect for casual occasions in the winter, fall, or spring seasons. The sleek black color and solid pattern make it a versatile and trendy choice for the modern man.