Brooks Glycerin 22 vs Brooks Ghost Amp

The Glycerin 22 is the softer, more forgiving daily trainer, with a 10mm drop, a broad stable platform and wide-width options. The Ghost Amp is lighter and livelier, with a 6mm drop and a springy forefoot that suits faster running. Reviewers praise the Glycerin's plush, distraction-free ride and the Ghost Amp's light, near break-in-free comfort. Pick the Glycerin for long easy miles and roomy fit; pick the Ghost Amp for tempo days and a snappier feel.

• Choose the Glycerin 22 if you want maximum cushioning, a high drop and a stable ride for easy miles and long days on your feet.
• Choose the Ghost Amp if you want a lighter shoe with a springy forefoot and a lower drop for tempo runs and speed work.