Sockwell Men's Incline Inspire Athletic No Show Micro Socks 33% Merino Wool/33% Bamboo Rayon/28% Nylon/6% Spandex Made in US Turn welt top w/heel tab helps keep the sock in place when running or walking Extended ach brace for comfort and support Seamless toe closure to help prevent blisters Breather panel to wick moisture away Socks will be shipped in either Goodhew or Sockwell packaging