Guides

Plain-English explanations backed by the published specs in our catalogue. No injury claims, no made-up numbers.

• Running shoe specs explained: stack, drop, weight, plates and rockersWhat each number on a spec sheet means, what's typical across today's shoes, and why two sources can disagree.
• When to replace running shoesThe usual kilometre ranges by type of shoe, why they're only rules of thumb, and the signs a pair has changed.
• How to find a running shoe like the one you loveYour favourite shoe was updated or discontinued. How to find the closest match and what to check before you buy.