A superb warm tight. N2S is now softer and lighter making it more comfortable but still providing an incredible level of weather protection, Stretch fabric over your rear for good freedom of movement, the windstopper fabric does not totally cover your glutes, and we would suggest a good thermal boxer is worn underneath if you find cold glutes painful. This fabulous fabric also does a great cover up job, and for cellulite conscious wearers this will not show any. A medium equates to a size 12.