Wrightsock Tab length, also referred to as no-show, covers to below the ankle with a tab at the back of the heel for added protection during hiking and running.
Wrightsock Lo Quarter length covers to just below the ankle.
Wrightsock Quarter length covers the ankle abd stops at the bottom of the leg.
Wrightsock Crew length covers all of the lower leg up to about the mid point on the calf.
Wrightsock Over the Calf or OTC length covers all of the calf and comes up to just below the knee. (Current styles and colors offered are limited)