The Nike Therma-Fit ADV Repel Aeroloft Down Running Vest in Grey is a versatile and stylish outerwear option for men. Made from 100% polyester with down insulation, this sleeveless vest offers warmth and comfort during various outdoor activities such as running, jogging, or even casual wear. With a full zip closure, pockets for storage, and a lightweight design, this vest is perfect for layering and staying active in all seasons. The classic solid gray color and Nike branding add a touch of style to this practical and functional piece.