A person wearing MOPP gear can neither work for very long nor very fast. They may also suffer mental distress as a result of feeling closed in and can suffer from heat stress and heat exhaustion when working in warm temperatures and at high work rates. The MOPP concept arose from the need to balance individual protection with the threat, temperature, and urgency of the mission. In addition, commanders under certain situations could exercise a mask-only option. Individuals must carry their protective mask with them at all times.
Individuals wear their overgarment.
They must carry the rest of their MOPP gear. Individuals wear their overgarment and overboots and carry the mask with hood and gloves. Individuals wear their overgarment, overboots, and mask with hood. They carry the gloves. Individuals wear all their MOPP gear.