Dickies Pro Series Double Knee Work Pants. The Pro Series collection evolves our classic workwear with styles featuring modern fits and materials designed for increased mobility to meet the needs of today’s worker. The Pro Series double knee pants feature a regular fit through the seat and thigh with a tapered leg style. They have a Flex waistband constructed for added mobility and offer a lasting look with a stain release, fade resistance, and quick-drying fabric to help you stay dry from sweat. These pants are reinforced at the knee for added durability and feature a sleek tapered leg style. Button closure with zip fly. Belt loops. Approximate 16" leg opening. 67% Cotton 31% Polyester 2% Elastane. Machine wash. Imported.