Nucleus Air Grey & Black Motorcycle Shoes
Nucleus Air Grey & Black Motorcycle Shoes
CE CERTIFIED LEVEL 1221
- 30 DAY HASSLE FREE RETURNS*
Couldn't load pickup availability
SIZE GUIDE
SIZE GUIDE
EUR | USA | UK | Heel to Toe (cm) |
36 | 4 | 3.5 | 22.5 |
37 | 4.5 | 4 | 23.2 |
38 | 5.5 | 5 | 23.8 |
39 | 6 | 5.5 | 24.5 |
40 | 7 | 6.5 | 25.2 |
41 | 8 | 7.5 | 25.8 |
42 | 8.5 | 8 | 26.5 |
43 | 9.5 | 8.5 | 27.2 |
44 | 10 | 9.5 | 27.8 |
45 | 11 | 10.5 | 28.5 |
46 | 11.5 | 11 | 29.2 |
47 | 12.5 | 12 | 29.8 |
48 | 13.5 | 12.5 | 30.5 |
49 | 14 | 13.5 | 31.2 |
50 | 15 | 14.5 | 31.8 |
To choose the correct size, measure the length of the foot in cm, from the heel to the big toe, as shown in the picture.
DESCRIPTION
DESCRIPTION
The Nucleus Air trainers in black and grey combine sleek urban style with all-day riding comfort. Lightweight, breathable, and reinforced where it counts, they keep your feet protected whether you’re slicing through city traffic, commuting, or exploring light trails. The extended lacing system gives a secure, stable fit, while the flexible D3O® ankle inserts activate instantly on impact, so you can ride with confidence.
Inside, the Fortex® internal structure adds stability without restricting movement, and the ergonomic fit suits a wide range of foot shapes. The Materiis sole delivers reliable grip on the bike and on the pavement, while full mesh ventilation keeps your feet fresh all day long. Built for urban riders who demand versatility, comfort, and protection, the Nucleus Air Black and Grey trainers are ready for every ride.
SPECIFICATIONS
SPECIFICATIONS
- Upper: High-tenacity vented fabric with reinforced zones – lightweight, breathable, and durable
- Closure: Extended lacing system – secure, stable fit that helps prevent slippage during impact
- Ankle Protection: D3O® inserts – flexible protection that stiffens instantly on impact
- Internal Structure: Fortex® patented system – adds stability without compromising flexibility
- Fit System: Anatomical profile with ergonomic last – comfort and control for a wide range of foot types
- Sole: Materiis compound – optimal grip, comfort, and walkability on any terrain
- Ventilation: Full mesh construction – maximum airflow for all-day freshness
- Usage: Urban riding, commuting, and light adventure – built for comfort, protection, and versatility







“A lovely lightweight textile ankle boot, your feet slip into the Nucleus GTX with minimal effort and once inside they feel very comfortable. The material almost moulds itself around your foot”
Ride Magazine
-
// FRESHNESS MASTERED FOR EVERY RIDE
High-tenacity vented fabric with all-around reinforcements creates a fully ventilated, lightweight, and durable structure.
-
// STABLE, PROTECTED AND SECURE
The elongated profile is anatomically shaped for protection, while the extended lacing system helps prevent foot slippage during an accident.
-
// ALL-DAY COMFORT FOR EVERY RIDER
An advanced last fits more foot shapes, ensuring comfort, stability, and control.
-
// D3O IMPACT PROTECTORS
The safety without the constraints.