SOCKWELL CHEVRON TWILL BLACK 20-30MMHG MENS SOCK SIZE:SIZE M/L It also includes built-in shank

It also includes built-in shank for stability and support

100% Waterproof SBR upper

toe loop sandal with an adjustable strap

The lightweight EVA midsole provides stability and high shock absorption

SOCKWELL CHEVRON TWILL BLACK 20-30MMHG MENS SOCK SIZE:SIZE M/L It also includes built-in shankThe Sockwell Chevron Twill Men's 20 30mmHg sock features Accu fit Technology, turn welt top, arch support, graduated compression and seamless toe closure. It also features an ultra light cushion sole. It comprises of 31% Merino Wool, 31% Rayon from Bamboo, 31% Stretch Nylon and 7% Spandex. The size Med Large fits about a size 7 to 10 and the size large XL fit about a shoe sizer 10 to 13.