Get serious protection and warmth down to -50degree(s)F with Iron-Tuff Bib Overalls. The 11.25 oz. RefrigiFill polyester insulation, abrasion-resistant 400-denier nylon outershell protects you from cold weather. Our High-Bib Overalls have a high front and back to maximize coverage and keep you warm. These heavy-duty overalls come with adjustable, industrial strength 2"" elastic suspenders and insulated pockets so you have plenty of mobility while staying warm and blocking out the wind and cold.Don't just survive the winter. Thrive in it with these water-resistant and wind-tight snow bibs. These insulated overalls have thigh-high leg zippers with a snap-close storm flap and a full-front brass zipper that works to seal out drafts. These men s snow bibs have brass rivets that reinforce stress points, while the heels are reinforced with patches for extra durability.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.