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.

RAISER,Bed/Chair,40mm,Rubber Insert (Single)
• Height 40mm
• Recess Diameter 65mm
• Max Load 250kg (per set)
• Height 40mm
• Recess Diameter 65mm
• Max Load 250kg (per set)