π / π plus
The world's first lightweight consumer‑grade exoskeleton, delivering continuous assistance for mountain climbing, travelling, hiking and cycling.
Built for the wild, proven on the trails.
Real Outdoor Scenarios.
Natural assistance for every active moment.
01 / CLIMBReach the summit with ease
Smart walking assistance reduces leg fatigue, making climbs, stairs, and long hikes feel lighter.
02 / RUNRun lighter, move freer
π makes every stride feel easier; the π plus version adds support for high-speed running.
03 / ACTIVE LIFEFuel every kind of movement
From home leg training and professional conditioning to gym workouts and community fitness, π fits active life.
04 / DESIGNAn exoskeleton made for motion
Ultra-light, flexible, compact, and powerful: π brings professional assistance into an easy-to-wear form.
05 / PERFORMANCEWalk assisted, stride by stride
Testing indicates around 15% energy savings, more than 12kg of perceived load reduction, and up to 90% improvement in leg lift.
06 / LIGHT & FLEXIBLEA clothing-like lower-limb exoskeleton
At around 1.8kg, π pairs a flexible self-fitting waist belt with foldable leg poles for compact storage.
07 / POWERPower for walking, stairs, and cycling
Strong assistance supports walking, climbing stairs, and cycling, with π plus reaching approximately 15km/h.
08 / AI CONTROLAn AI brain that adapts with you
It learns human movement, recognizes walking, stairs, and running, then adjusts assistance for speed and terrain.
09 / MODESSwitch work modes in one tap
Choose Standard for daily movement or Fitness for training, matching assistance to the moment.
10 / STORAGEModular structure, fast to pack
The waist belt and main unit store independently; the battery swaps in seconds and the legs fold for a backpack.
11 / PERSONAL STYLEExpressive design, changeable skins
Hand-changeable shells and multiple color options let the device match your personal style.
12 / EVERYDAY FITNESSMade for more ways to move
From fitness and running to everyday walking and stairs, π assists different bodies and different rhythms.
13 / OUTDOORKeep an active life in motion
Take π onto trails, mountain paths, and greenways, and keep exploring farther.
14 / SPECIFICATIONSLightweight assistance, clearly defined
The Standard version is about 1.8kg, delivers around 10N·m, lasts about 10,000 steps, and supports up to about 10km/h.
15 / VERSIONSπ or π plus, choose your pace
π is built for walking and fitness; π plus adds running, dual batteries, stronger assistance, and higher speed.
16 / FIT GUIDEA fit guide for different bodies
Recommended for users 155–185cm tall, with waist and thigh-belt ranges to guide selection.
17 / PURCHASE POLICYA clear crowdfunding policy
Orders may be refunded before crowdfunding closes; if a merchant cannot ship, a full refund may be requested under the applicable policy.
18 / FITNESSResistance training, made more effective
Simulated underwater walking, targeted muscle training, and body shaping bring more purpose to everyday workouts.
19 / APPYour dedicated mobile app
Connect over Bluetooth to adjust assistance and modes, review activity data, choose a language, and save parameters.
Wear it Forget it
01 / LESS EFFORT01 / LESS EFFORTMore assistance, less physical exertion
Up to 50% more leg assistance and 20~30% less physical exertion make every climb feel more manageable.
02 / PORTABLEUltra-lightweight and easy to carry
At only 1.8 kg net weight (battery excluded), the lightweight π / π plus is easy to carry around.
03 / COMPACT POWERCompact Size,
Powerful Performance.
A dedicated exoskeleton motor delivers 15 N·m of peak single-leg torque, with millisecond-level precision response for challenging terrain.
04 / LONG RANGEGo farther on every charge
With up to 8 hours of runtime and up to 25 km of range, π / π plus keeps long-distance travel moving forward.
05 / FLEXIBLE FITComfort that follows your body
The ErgoDrive™ flexible waistband conforms to different body types and accommodates users up to 2 meters tall.
06 / ACTIVE COOLINGRobust Performance Without Overheating
Built-in cooling components maintain device comfort, stability and safety, keeping the unit cool even under prolonged heavy-load operation.
07 / SENSOR FUSIONMulti-sensor fusion perception
The system captures gait changes and movement trends in real time, keeping assistance aligned with the way you move.
08 / ADAPTIVE MODESFour modes, 15 adjustable levels
Choose Standard, Sport, Climbing, or Fitness mode, then fine-tune assistance across 15 adjustable levels.
Product Specifications
| Parameters | π | π Plus |
|---|---|---|
| Assist Modes | 3 modes (Standard, Fitness, Hiking) | 4 modes (Standard, Fitness, Hiking, Sports) |
| Runtime | Approx. 3–4 hours (12.5KM*) | Approx. 6–8 hours (25KM*) |
| Weight | 2.1kg (with 1 battery) | 2.3kg (with 2 batteries) |
| Net Weight | 1.8kg (without battery) | |
| Max Assistance | 12N·m | 15N·m |
| Max Speed | 10.5km/h | 15km/h |
| Assist Levels | 12 levels | 15 levels |
| Battery Capacity | 3200 mAh | 6400 mAh |
| Folded Dimensions | 330×180×120 mm | |
| Package Dimensions | 470×350×170 mm | |
| Smart APP | iOS, Android | |
| Suitable Height | 150–200 cm | |
| Suitable Waist | 72–130 cm | |
| Operating Temperature | −10–45°C | |