Cooling garment having phase change material in its extremity portions

A cooling garment comprises a phase change material and at least one of: a shirt portion and a pants portion. The shirt portion has left and right arm portions attached to a torso portion, with the phase change material being disposed in the left and right arm portions. The pants portion has left and right leg portions, with the phase change material being disposed in the left and right leg portions. The arm and leg portions may be removable to facilitate reactivation and/or replacement of the phase change material, and the cooling garment may include a sensor configured to indicate a cooling capacity of the phase change material. A portable container having a reactivation substance stored therein may be provided to reactivate the phase change material. In one embodiment, the portable container is part of a self-contained breathing apparatus. In another embodiment, the phase change material is submerged in the reactivation substance in the container.