Choose the surface and structure deliberately.
Discuss the intended hand feel, weight, opacity, texture, and visual character of the shirt. Smooth, textured, striped, and checked directions can all create different products. Composition and weave information should support the material discussion, while a sample shows how the cloth works with the chosen pattern and finishing.
For stripes or checks, identify where alignment matters and what the approved expectation should be at plackets, pockets, and seams. Pattern placement should be discussed before production, not left to a general request for neat workmanship. If a material or care-performance claim is important, define the evidence needed for the actual cloth and finished garment.