DuPont's soft, hollow-core polyester fiber with a cottony hand. Used in underwear and activewear for its insulating properties.

Fleece The special microfibers create a soft material with an almost infinite number of air pockets. Thermax does not retain moisture but allows it to evaporate. The minute pores of this fabric provide a controlled exchange of body heat and outside air keeping out the cold but also preventing perspiration. Thermax is much more voluminous compared with other similar fabrics of equal weight

TM. Landers, Frary and Clark's name for their generic vacuum bottle.