Torque control systems minimize rotational stress on knee joints.

Rebel by name, rebel by nature, the FuelCell Rebel v4 will change the way you look at an everyday trainer. The propulsive feel of FuelCell technology creates a remarkably responsive underfoot that can quickly adapt from long, steady runs to something shorter and more spontaneous. Additional details like a streamlined mesh upper add race-inspired accents to a dynamic upbeat trainer, designed to bring an element of fun back into your run.

• FuelCell foam delivers a propulsive feel to help drive you forward
  
• Geometric midsole extends wider and stacks higher than predecessor
  
• Gusseted tongue
  
• Longitudinal outsole pods
  
• FantomFit upper offers ultra-light bonded support
  
• Upper features no-sew construction for a sleek fit and feel
  
• Drop: 6 mm
  
• Structure: Neutral
• Material: Synthetic/mesh upper
  
• Weight: 212 grams (7.5 oz)

Are made with strong and breathable fabric