A firm compression sock that has a one inch, double cuff that sits just over the ankle, for more compression at and above the ankle. Firm compression provides contoured support and prevents bunching Lightweight Olefin fiber in a minimum cushion design is cool, wicks moisture and dries quickly to keep you performing at your best Y-Heel contour creates a contoured heel pocket that moves with the foot Virtually invisible toe seam eliminates friction in the toebox Mesh footbed and channeled upper increase breathability Made in the USA Attributes: Color: Black Defined Color: Black Cuff Length: 1" Gender/Age: Unisex Season: Warm Weather Material: Synthetic