We've modified our classic 874F with different fitting and added flex fabric to keep up with the durability and longevity, making your pants lasting longer than the rest. Mechanical stretch is added for additional comfort and to keep you moving in the direction you need. This pant has a traditional fit in the seat and thigh, giving you the room you need to work as hard as you do. Sits at waist, traditional fit through seat & thigh. 8.2 oz. mechanical stretch twill, 65% polyester/35% cotton. Flex fabric for ease of movement and comfort. Wrinkle-resistant. Easy care stain release. Moisture wicking. Distinctive, longer tunnel belt loops. Welt back pockets. Hook and eye closure. Imported. Signature long tunnel belt loops hold heavy tool belts. Welt back pockets. Imported.