It might not be in the negatives, but temps around or below freezing can still chill to the bone. The Cooler Wear Trousers keep you warm, stay in place and resist wear and tear, so all you have to focus on is the job at hand. The Cooler Wear Trousers are an insulated pant with full elastic waist, a snap fly front and knit ankle cuffs to help seal in heat and keep out drafts. With a Comfort Rating of 10°F, the Cooler Wear Trousers are great for working in walk in coolers or in cooler temperature environments. Give your legs the protection they need to kick back against the cold.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.