1. A collar that resembles the polo neck with the soft fold at its top and the way it stands up around the neck, but both ends of the tube forming the collar are sewned to the neckline
   "The mock polo neck collar added a touch of sophistication to the simple dress";
   - mock turtleneck collar

Type of: polo-neck collar, turtleneck collar

Part of: mock polo neck [Brit], mock turtleneck