Endorphin Speed 5 - Men D (standard width fit) Socks We use the shoes in

We use the shoes in Racing

combined with the X-GUIDANCE™ technology in the flex grooves to provide extra flexibility during multi-directional movements

Dynamic stability - 5/10

Width - Standard

quicker transitions

Endorphin Speed 5 - Men D (standard width fit) Socks We use the shoes inShoe Science says about Speed 5 Our rating is based on performance in motion. Road Tempo training and racing Rotation with Pro 4 (Race) , Endorphin Trainer (Daily) Forward transition 6 10 Dynamic stability 7 10 Dynamic cushioning 6 10 Many shoes will have a very similar profile yet perform differently for different people. We recommend an in store fitting for a new style and online for the 'tried and true'. Saucony key stats Width Std is standard