The Flex sock offers improved flexibility and stretch throughout the body, with a new ribbed cuff. No need to 'pull up your socks' with these bad boys. 
These socks were designed to compel one’s attention without losing one’s respect. However, everyone knows that your socks should match your underwear. Fashion 101.
Targeted ventilation
Seamless Toe Closure
Compressive Arch Support
50%Poly / 30%Cotton / 15%Acrylic / 5%Spandex
OS - Fits men's shoe size 9 -12