Vertx Men's Phantom Ops Powered Airflow Pants 65% POLYESTER/35% COTTON Imported Active Airflow System mesh inserts enable the movement of air for cooling purposes Triple-bellowed inset cargo pockets expand for additional capacity while the addition of mesh inserts assist with proper air flow Mini Rip-Stop pattern weave pant fabric delivers added durability to effectively resist tears in multiple environments Articulated, double-reinforced knees provide extra protection against wear and tear Dual concealed zipper pockets on both sides enable discreet carry options