How it works.

OptimTM fibre stretching technology uses Merino wool fibres which are spun into yarn before being woven to create wind and water-resistant fabric, made from 100% Merino wool.

The outcome of all this technology; a unique, high-performance Merino Wool fabric that both Water and Windproof.

The resulting Merino wool fabric is constructed at very high levels of thread density in warp and weft using fine Merino wool yarns that have been stretched, but not set, during what is known as Optim™ processing. It is only when the fabric is wet-finished that the stretch is released causing the yarns to contract, thus leading to an extreme tightening of the fabric structure and the creation of the immensely dense fabric.

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