AIR 2.0 LACES M Endorphin Speed 4 Weight: 275 g | 9

Weight:  275 g | 9

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Get the training and recovery insights you need to run at a higher level — plus music to motivate you along the way

recovery and training outlook as soon as you wake up — alongside HRV status and weather

C:   M 6 | W 8

AIR 2.0 LACES M Endorphin Speed 4 Weight: 275 g | 9Patented Elastic Design: Air 2. 0s unique elastic technology offers different tension zones, creating a secure fit while allowing natural foot movement. Anti Slip Knot Security: Micro bumps near the knot area prevent slippage, ensuring your laces stay tied throughout the day. Custom Comfort Zones: Firm midfoot support for instability, paired with softer elasticity near the toes for natural splay. Slip On Convenience: Enjoy the convenience of slip on