Key Points
- adidas unveiled the CLIMACOOL System for World Cup 2026, adapted from its Mercedes-AMG F1 work.
- It pairs a pre-frozen gel cooling vest, an insulating federation jacket, and a cooling overshoe.
- Together the pieces can cut core temperature about 0.5°C and skin temperature up to 13°C.
- adidas issues the system to its 14 partner federations; no consumer release was announced.
The biggest opponent at the 2026 World Cup is the weather. With matches across a North American summer, adidas is treating heat as a performance problem to engineer around — and it pulled the answer from Formula 1.
From the grid to the pitch
The CLIMACOOL System started as cooling gear adidas developed for Mercedes-AMG Petronas F1 drivers, who bake inside their cockpits. Adapted for football, it has three parts: a cooling vest with pre-frozen gel, an insulating federation jacket that traps the cold, and an overshoe worn over the boot. Used together, the vest and jacket can drop core body temperature by about 0.5°C and skin temperature by as much as 13°C; the overshoe cuts foot temperature roughly 2°C within seven minutes without affecting feel.
Who gets it
This is sideline and recovery equipment, not a retail drop. adidas is issuing the CLIMACOOL System to its 14 partner federations at the tournament, with no consumer release announced. It is the unglamorous half of a World Cup arms race otherwise dominated by kits and collabs — the part that actually decides games in punishing heat.
Why it matters
Marginal-gains thinking has run Formula 1 for a decade; importing it into football is the logical next step. When two sides are evenly matched, the team that recovers half a degree cooler at halftime has an edge that does not show up in a highlight reel.
Source: Sneaker News, HITC
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