Abstract: An adjustable collar having a finished slot through which a fabric strip passes unimpeded. A pair of flaps is formed by an outer band of the collar and abut the finished slot. The fabric strip is secured to a free end of an elastic strip, which is secured to a shirt band at a first end of the elastic strip. A button is secured to a free end of the fabric strip and the button passes through a horizontal buttonhole defined in an end of an outer portion of a neckband of the shirt. The fabric strip is retracted and hidden when the collar is open. The button is larger than a diameter of the finished slot to prevent the fabric strip from retracting completely therethrough.

Abstract: A winged collar support for a shirt collar including an elongated body portion having a first end, a second end and a center portion. A pair of wings protrudes from one of the first and second ends of the elongated body portion. The pair of wings has an inner side facing the center portion of the elongated body portion and an outer side opposite to the inner side. A plurality of rows of notches are formed in each wing. The plurality of rows of notches extend from the inner side of the wing to the outer side of each wing. Each notch extends from the surface of the wing to a depth of no more than half the thickness of the wing.

Abstract: An adjustable collar having a finished slot through which a fabric strip passes unimpeded. A pair of flaps is formed by an outer band of the collar and abut the finished slot. The fabric strip is secured to a free end of an elastic strip, which is secured to a shirt band at a first end of the elastic strip. A button is secured to a free end of the fabric strip and the button passes through a horizontal buttonhole defined in an end of an outer portion of a neckband of the shirt. The fabric strip is retracted and hidden when the collar is open. The button is larger than a diameter of the finished slot to prevent the fabric strip from retracting completely therethrough.