Propper ACU uniforms are built to military specifications (MIL-44436) with vat-dyed 50% Nylon / 50% Cotton ripstop fabric. The ACU Trouser features a leg cuff with front closure tie, which allows for more comfortable closure on the outside of the boot collar. Also features knee pouches with hook & loop closures for internal kneepad inserts, buttonfly with a drawstring, bellowed-calf storage pocket, and forward-tilted cargo pocket. Battle Rip version available in A-TACS AND A-TACS FG