T-shirt by adidas, Level up your activewear, Crew neck, Raglan sleeves allow you to move more freely, 360-degree reflectivity increases visibility in low lighting, Slim fit, A narrow cut to the sleeves and chest. Iconic sportswear label adidas was founded in Germany by Adolf 'Adi' Dassler back in 1949. The brand creates sportswear built for functionality, with a conscious, design-led ethos. Creating everything from street-smart styles to retro-inspired pieces, adidas prides itself on its history of innovation and cutting-edge design.