The Hot Chillys Women's La Montaa Fleece Zip T-Neck is warmth without question. This thermal top is features micro-denier polyester fibers for lighter weight, luxurious drape, breathability, strength and durability. This anatomically designed heavyweight thermal shirt has Hot Chillys' Micro-Elite Chamois panels for enhanced odor management, added warmth and a low profile fit. The Hot Chillys Women's La Montaa Fleece Zip T-Neck is a light and lofty powerhouse for warmth, without limiting movement.