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.

Quickie Q700 M/F/R
Specifications
- Product Width: 25"
- Product Length: 36.5"
- Turning Radius: 23.5"
- Ground Clearance: 3"
- Seat Tilt: 50°
- Warranty: Lifetime Limited
- Speed: 6 kph high torque, 10 kph standard
Speed: 10kph
Batteries: 80Ah/72Ah
Max. User Weight: 136kg
Drive bases: MWD
Seating: Captain Seat
Electronics: VR2
Crash tested: Yes