On Women Cloudflow 5 - Glacier / Black

The training shoe for fast intervals. With Helion™ HF hyper foam and a nylon-blend Speedboard® for high energy return. 
 
Regular. True to size. 
 
Materials 
Upper Unit: Nylon, recycled polyester / Bottom Unit: Outsole: Rubber / Speedboard: PA11 8% GF / Technology: CloudTec ®️Key features 

Weight: 231g 
 
A layer of Helion™ HF for max energy return and rebound 
 
Propulsive glass fiber nylon-blend Speedboard® 
 
Engineered woven mesh upper that's breathable and ultralight 
 
Design inspired by our pinnacle, race-winning super shoes 
 
Extreme rocker shape for a fast, forward-rolling ride 
 
Updated toebox design for fast training sessions 
 
Forefoot grip for added support during the toe-off phase