Soft hand feel on a tee can come from several sources. Mechanical finishes such as peaching or sueding lightly abrade the fabric surface to raise very fine fibres, giving a soft, slightly matt feel. Brushing raises more fibre and is more common on fleece. Chemical softeners coat the fibres and make them feel smoother. Many fabrics use a combination. Softeners are partly removed by washing, so a fabric that relies mainly on softener can feel noticeably less soft after a few washes.

Ask what the finish is

Ask the mill to state the finishing route for your fabric: whether it is mechanically peached, which softener is used, and in what sequence. If the soft feel comes mostly from softener, ask whether a more durable softener or a light mechanical finish is available, and at what cost.

Judge on washed fabric

Wash samples several times with a named procedure such as ISO 6330, at the care conditions on your label, and compare their feel with unwashed fabric and with a competitor's tee you consider the target. Feel is subjective, so let a few people compare samples blind.

Watch the side effects

A mechanical finish removes some fibre from the surface. Overdone, it can weaken the fabric or make it pill more. Test pilling with a named method such as ASTM D3512, or the modified Martindale method in ISO 12945-2, on washed fabric, and agree a minimum rating. Check the colour too, since peaching can make darks look slightly lighter or uneven.

Keep a reference

Keep washed and unwashed swatches of the approved fabric as the hand-feel reference for bulk, and compare bulk fabric headers to both. Store them away from light and in a sealed bag so the reference itself does not change.

Product wording

If the fabric gets slightly less soft after washing, describe it honestly. Words such as "soft-touch finish" set clearer expectations than "stays super soft forever".

Soft hand feel is a strong reason customers choose premium basics, so it deserves its own line in the fabric spec, with a named finish and an approved washed reference, rather than a note saying "soft".