In the textile trade, the word for how a cloth feels is its hand.
The word is literal.
At Kyoto University, a professor named Sueo Kawabata set out to measure it. His instruments bend a fabric, stretch it, shear it, press it, and register the faint coolness it releases against the skin, over a dozen readings in all, an attempt to put numbers to what a practised hand settles in a moment. The system is still the most exacting in the world.
It works. It also concedes the point. Every reading it takes is calibrated to predict a human verdict, to approximate the hand it can never quite replace. The science is measured against the hand, not the other way around.
So Beltrami starts where the trade does. The fibre is chosen for how it feels deep into its life, washed and softened by use. The weave is set for a softness that only settles with time. Everything the eye admires later is built to satisfy the fingers first. A cloth can be measured many ways, and it is still the hand that decides.