Stay warm. Stay safe. Stay seen. Our HiVis sweatshirt is perfect for when you need lots of warmth but also need serious safety features. With a vibrant HiVis lime color plus reflective tape around the chest, arms, and shoulders, this high visibility sweatshirt is Ansi Type R, Class 3 compliant.Sizing Instructions: For the most accurate fit, take your measurements over the base layer of clothing you intend to wear with this RefrigiWear gear (such as thermal underwear, jeans or a sweatshirt) and refer to the size chart for this product.