The material feels quite pleasant, but not cotton (60% polyamide and 30% polyester); the initial plastic smell is gone, however, after the first washing. Dressing and undressing are easy to fit and comfort - thanks to a blend of 10% spandex to - very good. There are no noticeable and thus irritating seams available. For the knee, there are rubber moldings. Although the substance is quite thin, it acts much warming thus fulfills its purpose. The - actually unimportant - optics is good (black / gray).
CONCLUSION: Very good functional underwear - recommended.
UPDATE 27 February 2014: the real test in a week's skiing holiday showed: the thin underwear is permeable to perspiration ("breathable") and is nevertheless hot - passed> Test. At least now the 5 stars are justified.
