Global sportswear brand Nike has unveiled Aero-FIT, a new performance apparel technology designed specifically to help athletes thrive in hot regions or seasons. The innovative fit was announced on Friday, October 1, with Nike confirming that its partnered federations will officially debut the kit at the 2026 FIFA World Cup in North America, before expanding it to other Nike sport collections.

According to the brand, Aero-FIT is engineered to maximise airflow, delivering more than twice the ventilation of previous Nike athletic materials to help athletes stay cool and dry when it matters most. “Today’s athletes are competing in a hotter, wetter world — and Nike is helping them set the pace,” the announcement read.

Addressing another climate-related concern, the apparel’s material is entirely made from textile waste, rather than the synthetic fabrics usually derived from fossil fuels.

There have already been concerns about the heat exhaustion risks athletes and fans could face across Mexico, Canada, and the U.S., where the World Cup will be held next summer. According to the BBC, 14 of the 16 host cities are expected to experience extreme heat during the competition.

“Nike exists to make athletes better, and our breakthrough Aero-FIT technology delivers the future of our industry-defining apparel innovation in both elite performance and sustainability at scale,” says Janett Nichol, VP, Apparel & Advanced Digital Creation Studio Innovation. 

Beyond Aero-FIT, Nike also introduced three additional innovations that underline its continued pursuit of performance optimisation and environmental sustainability. They include Air Milano, a Therma-FIT outerwear that uses Nike Air for adaptable warmth; Nike Mind, a neuroscience-inspired footwear designed to enhance focus and calm; and Project Amplify, the world’s first powered footwear system built to improve running and walking efficiency.