The Hot Chillys La Montana Zip T Womens Long Underwear Top is all about extreme additional warmth. It provides excellent moisture management and warmth in a low bulk comfortable wearable. This ultra soft fleece stretches and moves with you as the body conforming fit incorporates MTF polyester fleece with anatomically placed stretch panels of antimicrobial polyester in high moisture areas. The stretch panels also allow free range of movement in a snug fit while the flat seam stitching enhances seam strength to eliminate abrasion. The La Montana Zip Long Underwear Top is high performance apparel that is comfortable, flattering, moisture-wicking with the highest warmth factor available. [+]