The J. Riggings Sportswear Windbreaker Jacket is a stylish and practical choice for men in size M. This mid-length jacket features a solid olive green color with a nylon lining for added warmth during the winter, fall, and spring seasons. The jacket is made from a combination of rayon and polyester, with a polyester insulation material to keep you comfortable. With its zip closure, zip pockets, and vintage design, this windbreaker is perfect for travel and casual occasions, making it a versatile addition to your wardrobe.