Rip-stop Nylon and Polyester fabric construction for excellent abrasion resistance., Extended stretch area on crotch, knee and rear yoke for excellent fit and riding comfort., Zippered air intake vents are strategically positioned for optimized airflow when opened., Knee Polyurethane (PU) film reinforcement., Stretch panel on calf to increase flexibility and movement., Pre-curved knee construction reduces riding fatigue., Lightweight, ventilated mesh liner for superior riding comfort.