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.

Secure Straps for use with Posey Mitts
Posey Secure Straps are used to connect strap-compatible models of Posey Mitts to a bed, thereby further limiting patient movement.
Key Features
•Posey Secure Straps connect strap-compatible Posey Mitts to a bed for added patient safety.
•Each strap measures 48 inches (122 cm) in length.
•Helps further limit patient movement as needed.
•Durable design ensures reliable performance.
•Sold as a pair for convenient use.
Each strap is 48 inches (122 cm) long. Sold as a pair.