The 2026 FIFA World Cup just kicked off this week, and anyone who’s spent a July afternoon in Miami, Dallas, or Monterrey knows exactly what these players are walking into. Adidas knows it too, which is why the brand just unveiled the Climacool System, a three-piece cooling rig built to chill players down before they ever touch the pitch.
And in classic adidas fashion, they didn’t develop it for soccer at all.
From the Cockpit to the Pitch
The Climacool System started life as a multi-year project for the Mercedes-AMG Petronas F1 team, designed to help drivers survive the oven-like conditions inside a Formula 1 cockpit. Adapting it for soccer wasn’t just a quick rebadge job, either.
Adidas spent years testing the system with Manchester United, Juventus, and Arsenal, and used input from both the players and medical staff to help shape the final design. Even small details, like the vest’s new front zip for quicker on-and-off, came directly from that feedback loop.
A Vest Straight Out of the Freezer
The centerpiece is a vest filled with a proprietary gel that gets frozen before use. Worn over the jersey, the gel slowly thaws and pulls heat away from the torso, abdomen, and back.
The accompanying federation jacket is incredibly clever, to say the least. Its airproof construction traps the cold air against the body, which nearly doubles the vest’s cooling effect. Together, the pair can drop core body temperature by 0.9°F and skin temperature by a wild 23.4°F.
Yes, Those Are Frozen Boots
The third piece is a gel-filled overshoe that slips directly over a player’s cleats, and it might be our favorite part of the whole setup. It knocks foot temperature down 3.6°F in just seven minutes, addressing the swelling and overheating that plague players in hot climates.
Crucially, adidas says it does all of this without dulling the foot’s sensitivity. This means dribbling, passing, and shooting should feel unchanged. The system joins the brand’s broader World Cup arsenal alongside the Trionda match ball and the featherweight F50 Hyperfast Evo cleats.
Spec Sheet
Brand: Adidas
Product: Climacool System
Components: Cooling vest, insulating federation jacket, cooling overshoes
Cooling Method: Proprietary frozen gel
Core Temp Reduction: Up to 0.9°F (0.5°C)
Skin Temp Reduction: Up to 23.4°F (13°C)
Foot Temp Reduction: 3.6°F (2°C) within 7 minutes
Original Application: Mercedes-AMG Petronas F1 Team
Development Partners: Manchester United, Juventus, Arsenal
Pricing & Availability
The Climacool System will be provided to all adidas partner federations competing at the 2026 FIFA World Cup. There’s no word on a consumer release yet, though we’d be surprised if this tech doesn’t trickle down eventually.
Recap
Adidas Climacool System
Born from Mercedes F1 cockpit tech, adidas’ three-piece frozen gel system drops player skin temps by over 23 degrees at the 2026 World Cup.
