We Play Fair

Quality motorcycle racing suits for everyone.

There are so many motorcycle racing suits on the market today that it is hard to navigate them all and compare them. Sometimes you only discover the weaknesses of the suit you bought after your first ride – or your first crash.

We want to spare you surprises like that. We make no distinction between series production and the race suits of our factory riders. Identical manufacturing processes, cuts, materials and protectors are used in production. We play fair, so we do not produce entry-level model lines of leather suits, as is common with many brands.

4SR has only one model line of motorcycle racing suits, which we have been continuously developing for over 18 years! This cut has been proven in countless crashes by professional racers in MotoGP, WSBK, TT, BSB and FIM EWC – and by many of you, everyday riders.

One of the most important things on a quality suit is the stitching.

A motorcycle racing suit is made up of many panels of leather and other materials, stitched together into a single unit. And because a chain is only as strong as its weakest link, the seams matter just as much as the quality of the leather. That is why we developed a new safety seam that withstands 2x greater tearing force than standard safety seams, with practically no risk of the seam being abraded through. You can be sure a 4SR suit will always have your back.

Another thing that defines the quality of a suit is its protectors.

4SR racing suits are equipped with 18 ergonomically placed protectors – the highest number ever used in a standard production suit.
For our suits we chose viscoelastic protectors from Betac, which meet the current EN 1621-1:2012 standard even in the additional T+ tests at elevated temperatures – exactly what we riders need in the summer months.

The entire suit is, of course, certified to EN17092-2 – AAA Class.

For every racer, the mobility of a racing suit is everything.

4SR suits feature seamless Kevlar stretch panels used over a genuinely large area. The seamless stretch in the crotch and armpits lets the rider get into an extreme riding position without any restriction, and thanks to its elasticity and comfort it is also used on the sleeve cuffs.

These features are identical across every suit in our range, so you can always be sure your suit is the same as a “factory suit”.

That is also why you can see standard 4SR suits in factory teams such as:

BMW Motorrad, Kawasaki Racing, HRC - Honda Racing UK, ZX Moto, QJ Moto, Triumph Racing.

Browse our full range of 4SR motorcycle racing suits.

See who wears our racing suits.