Reinforced weave polyester/cotton fabric with strong wear resistance. Elastic4-Way Stretch Nylon/Spandex fabric in the back excellent mobility, comfort and breathability. ZIPCOVERTM system for attaching hanging pockets and keeping them securely fastened. Functional pockets: front pockets, two back pockets, two leg pockets. Reflective pocket flaps. Hammer loop. Ruller pocket. Mobile pocket. Pre-shaped knees for a better fit and flexibility. Reinforced kneepad pockets inCordura® for better mobility and durability.