4SR

4SR is a motorcycle apparel brand from the Czech Republic, creating riding gear for professional racers and everyday motorcyclists. Its range includes one-piece and two-piece leather suits, jackets, motorcycle jeans and trousers, gloves, functional base layers, riding hoodies, and protective equipment such as back protectors, airbag vests, and sliders. The brand also offers casual clothing, women’s apparel, leather accessories, and products for gear care and maintenance.

4SR develops its products around safety, comfort, and function, drawing on experience from the racetrack to refine protection and durability for real riding conditions. Its suits follow a consistent production philosophy, and the collection includes custom options through the 4SR Configurator, allowing riders to choose colours and add personal details. The company highlights its own patented safety solutions, including an elastic liner and safety seam, and selects protectors from established manufacturers. Alongside product sales, 4SR provides riding advice, fit guidance, articles on materials and safety, customer support, and access to dealers.