Multi-panel poly-fabric construction with pu coating for strength and durability. Strategically die-out perforated panels and mesh a inserts for ventilation. Exclusive patented vector back panel provides maximum comfort and flexibility. Patented babel knee design with new pre-bent, reinforced and padded 3d knee and ballistic nylon for strength, plus hidden spandex stretch expansion gusset. Heavy poly fabric reinforcement on the seat area provides abrasion resistance. Genuine 13 mm leather reinforced inner leg panels for heat and abrasion resistance. Lightweight and ventilated mesh liner with stretch panel insert for improved fit. Inner pocket for key storage. Dual waist adjustment pull tabs. Vented tpr un knee and back to increase airflow.