Offer Details: DS Kool-The World\'s Leading Manufacturer for Personal Cooling System! Working in hot climates, particularly for long periods, is physically stressful can compromise a person\'s safety, focus and efficiency. Ds Kool has been approved by US Military to be highly effective at maintaining the user\'s body temperature at safe levels and for longer periods than any other self-contained cooling system available.The primary features of DS Kool include: Self-Contained Operation: Affords the user freedom |