What are the signs of hypothermia?

Hypothermia symptoms for adults include:

Shivering, which may stop as hypothermia progresses (shivering is actually a good sign that a person's heat regulation systems are still active. )
Slow, shallow breathing
Confusion and memory loss
Drowsiness or exhaustion

Slurred or mumbled speech
Loss of coordination, fumbling hands, stumbling steps
A slow, weak pulse
In severe hypothermia, a person may be unconscious without obvious signs of breathing or a pulse

Hypothermia symptoms for infants include:

Cold-to-touch, bright red skin
Unusually low energy