Ergonomic systems which provide medical therapy, comfort and enhanced
function are provided. Surfaces are provided with adjustable contour,
transient force damping and temperature. The technologies are applied to
footwear, seating surfaces an cryotherapy devices. The cooling and
cryotherapy system employ an evaporator in close proximity to skin, and
therefore employ methods to reduce risk of frostbite. Advanced control and
power supply options are disclosed.
