HEAD HEALTH RESEARCH INSTITUTE

Insulative soft headware that both aids in maintaining a user's core body temperature at an euthermic range during consumer hiking, camping, and outdoor uses; soft insulative helmet liners being headware that incorporates head heating or head cooling to aid in maintaining a user's core body temperature; headwear; soft headwear that both aids in maintaining a user's core body temperature at an euthermic range; helmet liners being headwear