Anti-Polyester Activewear Gifts
Polyester is 59% of all fibre made worldwide. Not because anyone tested it against wool and found it better.
Because it costs about two dollars a metre, and merino costs many times that. Everything else you have been told about it is a story built backwards from that number.
The reason it is in everything
A brand choosing between polyester and merino is not weighing up what sits better against skin. It is weighing up margin per unit.
Crude oil costs fractions of a penny to pump. Merino has to be grown on an animal, on land, over a year, then graded, scoured, combed and spun.
That gap is the entire business model of the category. Pennies of petroleum, a logo on the thigh, and three adjectives on the product page.
Share of global fibre production, 2024
Source: Textile Exchange Materials Market Report 2025. That is why almost everything in a sports shop is plastic.
Cheap is the entire case for it. There is nothing else.
What the industry sells you as performance
Quick-drying
Means the fibre refuses to absorb anything. The sweat has nowhere to go, so it sits on your skin while the fabric dries around it. Merino takes moisture into the fibre core and releases it as vapour instead.
Colourfast
Means the fibre is chemically inert and will not hold dye without high heat, pressure and a stack of auxiliary chemicals. The colour range is a consequence of that chemistry, not a property of the fabric.
Stretchy
Means it is not. Polyester has almost no natural recovery, so elastane is blended in to compensate. That is a second plastic added to fix the first one.
A gift made the other way round
Nero takes the margin hit instead. A 100% GOTS organic cotton shell, a 100% merino liner at 17.5 micron from RWS certified farms, and a 100% cotton drawcord.
No polyester. No nylon. No elastane. Not a percentage, not a trace, not in the liner or the waistband or the cord.
It costs more to make. That is the whole reason almost nobody in the category does it, and it is the reason this reads as a considered gift rather than another pair of shorts.
And recycled polyester is not the answer
A shredded bottle, spun into thread, worn against skin. It traps the same heat, holds the same smell and sheds the same microplastics as virgin polyester.
Independent lab testing across 51 garments found recycled polyester shed around 55% more microfibres than virgin, and smaller ones.
Which is the actual reason it is offered. Recycled tells you where the plastic came from. It does not change what it is once it is against your skin.
They know all of this
Every product developer at every major sportswear brand could recite it back to you. They compete on stretch and colourways because those are the arguments plastic can win. What the fabric does across ten years of daily wear is not a competition they enter.
The silence is not an accident. It is a business decision.
Shop Merino Liner ShortsThe short version
Polyester dominates the category because it is cheap, not because it performs. Quick-drying means it cannot absorb. Stretchy means it needs a second plastic to compensate. Recycled means the same plastic with a better story.
A gift made from merino and GOTS organic cotton costs more because the fibres cost more. That is the point, and it is the part he will notice within a week.
Fuller versions in why polyester is used in activewear at all and polyester vs merino wool.