This turtleneck is such a MUST-HAVE. Designer St. John never does wrong. This quality turtleneck made of 87% Nylon and 13% Spandex is the perfect shell. Stretchy and thin. Bring on your ski-cation or wear as a daily staple under everything. This is the Apres Ski style to a T. I (Model) am a size xs so this would fit really beautifully on a medium. This exact turtleneck sells for $125 on TheRealReal.