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.

Profiled Headrest to suit Configura Comfort Chair
• Suitable for service users with reduced head control.
• The top cushion of the Waterfall Backrest can be removed and replaced by the Profiled Headrest, to offer increased support for the service user’s head.