Formula 1 Rumor: McLaren to cut ties with Castore, sign with Puma

The McLaren F1 team has reportedly signed a multi-year deal with Puma after ending its partnership with Castore early.

SportBusiness.com reports that the Woking-based team’s deal with Puma will start next season, for race team apparel.

From next year, McLaren will join Ferrari, Aston Martin, Williams and Stake F1 in being a partner of Puma’s.

According to SportBusiness, Alpinestars will remain as McLaren’s technical partner, supplying the team with race suits and other technical equipment.

Castore will partner Haas as its official team wear supplier starting in 2026.