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Alpinestars Leathers

Alpinestars is a manufacturer of technical, high performance protective gear for motorcycle and auto racing (MotoGP, Motocross, Formula One, WEC and NASCAR), as well as action sportssuch as mountain Biking and surfing. Alpinestars also makes motorsports-themed, non-sports clothing, with fashion design centers in California and Italy.

Alpinestars leather suits and protective gear are worn MotoGP World Champions Marc Márquez, Casey Stoner and Jorge Lorenzo, and World Superbike Champions Ben Spies and Troy Corser. Alpinestars' motocross gear is used by AMA and World Motocross champions Marvin Musquin, Tyla Rattray, David Philippaerts, Christophe Pourcel, and Ryan Villopoto.
In 2011 Alpinestars developed the Tech Air Race System, an electronic airbag safety system that uses a data logging unit and dual charge inflation module. It was used in the MotoGP and World Superbike championships and was intended to eventually be worn by street riders. In June 2013 Marc Márquez crashed at a speed of around 337 km/h (209 mph) while wearing the airbag suit and did not sustain serious injuries.