Sensible heat flux is small and does not show a significant seasonal change.

UNESCO: Dublin Core

Latent heat flux is highly variable with low values during the accumulation season and high values during the dry period.

UNESCO: Dublin Core

Unlike almost all competitive products that use only one sensor to 'read' the body, BodyMedia's monitors incorporate temperature, heat flux, galvanic skin response and 3-axis accelerometer sensors to get accurate measurements of calorie burn, exercise intensity and sleep patterns that affect weight as well as health.

ENGADGET: BodyMedia's CORE 2 armband tracks your health, or lack thereof