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.

Romedic Autoslide Swivel Seat
AutoSlide reduces the effort when turning and moving sideways to readjust the sitting position before and during the journey. If a little more assistance is needed, the handles at the sides of the seat cushion allow for giving a helping hand.
Key Features
• Reduces the risk of strain or back injury for the carer and client.
• Assists car transfers, allowing the client to turn and move sideways with ease.
• Reduces the effort of readjusting the client’s sitting position during the journey.
• The cushion is firmly attached to the back of the car seat to prevent the client from sliding forward.
• Very simple to fit and use.
• Soft padded polyester surface provides additional comfort.
• The unique sliding material reduces friction under the buttocks.
• Durable side handles if carer assistance is required.
• Length: 480mm