Two-Layer River Driver's Shirt®, Crewneck

Measure just under arms and across shoulder blades holding tape firm and level.

Measure a shirt collar that fits you well. Lay collar flat. Measure from center of collar button to far end of opposite buttonhole.

With arm relaxed at your side and slightly bent, measure from center back neck, over point of shoulder, down the outside of the arm to the wrist.

Measure around your natural waistline. For belts, order same size as your pants waist size. If between sizes, order next larger size.

Measure pants that fit you well. Lay them flat, with the front and back creased smooth. Measure along the inseam from crotch to bottom of leg hem.