Part of the Running Division collection, this Therma-FIT ADV AeroLayer vest is designed for those cooler months ahead with insulating technology and water-repellent fabric. Day or night, rain or shine, Nike Running Division offers the features you need to navigate the concrete, cars and crosswalks of the paved landscape. Thermal Warmth: Nike Therma-FIT technology helps manage your bodyâs natural heat to help keep you warm in cold-weather conditions. Water-Repellent and Breathable: Nike AeroLayer technology uses a layer of insulation between a water-repellent woven shell and inner lining to provide warmth and breathability. Plenty of Storage: The 2 zippered pockets help keep small essentials secure. An extra mesh-lined chest pocket inside is big enough to store your phone or cards. Product Details: Reflective elements. Ribbed neckband. Full-length zipper. Body/ Fill: 100% polyester. Lining: 100% nylon. Machine wash. Imported. Not intended for use as Personal Protective Equipment (PPE). Style: FD4642; Color: Black; Size: 2XL; Gender: Male; Age Group: Adult | Nike Running Division AeroLayer Men's Therma-FIT ADV Running Vest in Black, Size: 2XL | FD4642-010