Introduction I have a truly exciting challenge in front of me: to do an in-depth trial of the new Mizuno Wave Mujin 6.  The Japanese Brand does not require too much of an introduction. Located in Osaka, it has been a world leader in athletics for many decades and it has a loyal legion of runners who use their trainers both in tarmac and in mountain races.  The Wave Mujin trainer dynasty was conceived as the recommended model for long-distance runners who are looking for a trainer with optimum protection, good cushioning and that can adapt itself to demanding irregular and rocky terrain.    Design This new edition of the Mizuno Wave Mujin is presented as a g...