The Hot Chillys Women's La Montana Fleece Bottoms are truly the king of the mountain for warmth. This fabric consists of brushed, micro-denier polyester fleece for lighter weight and greater strength and durability. Stretch panels in key areas for added maneuverability to ensure this armor-plating of warmth doesn't interfere with your active endeavors. The Hot Chillys Women's La Montana Fleece Bottoms are guaranteed to keep you warm, dry and comfortable so you can have some fun!