Socks that breathe life into your feet. • Muck Boot Company oval woven into sock • Superb pill resistance • Non-ravel top won't slip down • Anti-microbial treatment • Excellent shape retention • Soft, natural touch • Comfortrel XP® - performance fiber delivers high wicking, breathability, quick drying and reduces blisters • Holofiber® - works with the human body to increase oxygen levels, which can build strength, increase energy and accelerate muscle recovery