Refrigiwear Men's Iron-Tuff Insulated High Bib Overalls Enjoy freedom of movement and stay warm with these insulated bib overalls that protect your core and body without restricting mobility Stay warm in even the most extreme cold conditions with 11.25 oz. "RefrigiFill" insulation that can keep you comfortable down to -50 degrees F Flexible overalls design with high front and back give you maximum coverage for warmth without inhibiting movement Highly durable for many years of use with tear- and abrasion-resistant denier nylon outershell, reinforced brass rivets and bound seams that also help seal out drafts Ensure a snug yet flexible fit with adjustable, heavy-duty 2" elastic suspenders