My husband has tried various other brands of socks ,none of which
remotely resembled the L/XL I chose for him.
He finds Posey socks comfortable and true to advertised sizing.

Pedal Exerciser - Chrome
• Tension adjustable
• Foot straps prevent feet slipping off pedals .
• Base Depth: 550mm
• Height: 275mm
• Max Pedal Height: 320mm