... be 0.28m2 - 0.5m2 according to your need including front, back, side, neck, groin, waist, shoulderOuter material: oxford or cotton can ... be water proof and fire retardantInner material: PE(polyethylene) also can be kevlar, steel ... to NIJIII grade, we can insert another two plates in front and back made of PE, steel or ceramic plateConvenient to wear ...