Refrigiwear Men's Waterproof Insulated ErgoForce Overalls ErgoForce Overalls take durability to new heights with reinforced knee pads, abrasion resistant cuffs where your boots might rub and an extremely tough, 600 Denier polyester outershell Keep out the cold with a -10 degrees F comfort rating plus the elements with a certified 100% waterproof outershell Convenient hip pockets plus a waterproof zippered pocket make the overalls as functional as they are warm and tough Create the perfect fit with the overalls' removable, adjustable Y-back suspenders Stay safer in low-light conditions with reflective piping trim