These mittens are super warm. I have only worn them with the liners in once and it kept my hands warm and comfy but destroyed my dexterity, it was nearly impossible to adjust my buckles or zippers. They are definitely warm enough to go without the liners though. My one qualm is that the cut widthwise across the palm is very wide compared to the length. I have long fingers and they fit perfectly length-wise but are very wide, almost like a narrow men's cut. However, they are so warm and comfy that it doesn't bother me enough to return them. I got the "lux" color and they look awesome with my purple goggles and green jacket.