The new overalls are made of Dopnyton , a Polyester/Cotton blend fabric. Among the main differences shown by Dopnyton fabrics are their quick drying feature and strength that is 100% greater than a similar cotton product. The cotton component gives the fabric a natural look, the Polyester strengthens the fiber. Dopnyton Characteristics: High durability, resistant to abrasion, easy to wash and Quick Drying and Easy Care.