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ROLLERMAN – Extreme Downhill Rollerblading Suit

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A Paris design student built a suit that turns downhill mountain roads into a giant skating rink — and himself into a human wheel.

Jean-Yves Blondeau isn’t a stuntman by trade. He’s an industrial designer who, in 1994, turned a graduation project at a Paris art school into one of the strangest extreme-sport disciplines on the planet. The result is Rollerman — a 32-wheeled body armor suit that lets him stand, kneel, dive onto his chest, or roll flat on his back while barreling down mountain passes and bobsled tracks at highway speed.

• Blondeau invented the suit as his 1994 graduation project at the École nationale supérieure des arts appliqués et des métiers d’art (Olivier de Serres) in Paris, after six months studying how the human center of gravity shifts across different postures.
• The armor carries 32 rollerblade-style wheels across the chest, back, elbows, forearms, hands, knees, and feet, weighs under 17 kilograms, and is built to handle up to 4G of impact force.
• Blondeau has clocked speeds up to 126 km/h (78 mph) in the suit, including a run down the 99 hairpin turns of Tianmen Mountain’s Tongtian Avenue in Hunan, China, on July 22, 2012, broadcast live on CCTV.

From Graduation Project to Buggy Rollin

Blondeau calls the discipline “Buggy Rollin,” his own coined term for what’s more casually known as body blading, roller suiting, or wheel suiting. The idea wasn’t to build a faster set of rollerblades — it was to erase the limits of posture altogether, letting the body flow between standing, kneeling, and lying flat without ever stopping. That six-month study of center-of-gravity displacement he did as a student is the whole engineering premise behind the suit: every wheel placement exists to let him transition seamlessly from one position to the next mid-descent.

Engineering a Human Skateboard

The suit’s 32 wheels sit at every major contact point a falling or diving body would hit — chest, back, elbows, forearms, hands, knees, and feet — turning Blondeau into something closer to a rolling exoskeleton than a rollerblader. Despite that armor plating, the whole rig weighs under 17 kilograms and is rated to absorb up to 4G of overload, the kind of force a rider generates slamming from standing into a chest-first slide at speed. That combination of light weight and shock tolerance is what lets him actually pilot mountain descents rather than just survive them.

126 km/h, 32 wheels, and a body that never stops moving between postures — that’s the whole discipline in one run.

The Tianmen Mountain Descent

Blondeau has piloted the suit down mountain passes and bobsled tracks around the world, but the signature run came on July 22, 2012, when he took on the 99 hairpin turns of Tongtian Avenue on Tianmen Mountain in Hunan, China — a descent broadcast live on CCTV. It’s the kind of course built for cars and buses, not a man on 32 wheels, which is exactly why it became the benchmark run for the sport he invented.

Hollywood and Jackie Chan Come Calling

Buggy Rollin didn’t stay confined to mountain roads. Blondeau and the suit appeared in the end-credits stunt sequence of the 2008 comedy Yes Man, starring Jim Carrey, and then went bigger with Jackie Chan’s 2012 action film CZ12 (Chinese Zodiac). For that production, Blondeau didn’t just perform — he built the suits Chan’s team used, trained Chan personally, and handled key stunt work himself, including sliding underneath moving vehicles.

That crossover from garage invention to studio stunt work is really the throughline of Blondeau’s career: an idea born from a design-school thesis on posture and gravity ended up on a bobsled track, on Chinese state television, and on a Jackie Chan set. For anyone chasing the same kind of homemade extreme-engineering rabbit hole, it’s worth a look at how other one-person inventions — like the Jetson One personal aircraft — have gone from a single builder’s obsession to something the public can actually watch fly, roll, or crash. Speaking of crashing, the margin for error in Buggy Rollin isn’t far off from what you see in any extreme sport gone wrong — the difference is Blondeau built his own armor first.