The Nike Alphafly 4 is a road running shoe and the Saucony Endorphin Elite 3 Space Cowboy is a neutral road running shoe. The Alphafly 4 is 0.6 oz lighter (6.6 oz vs 7.2 oz) and costs about $10 less (from $280).
Specs side by side
| Spec | Alphafly 4 | Endorphin Elite 3 Space Cowboy |
|---|---|---|
| Price | $280 | $290 |
| Weight | 6.6 oz | 7.2 oz |
| Heel-to-toe drop | 8 mm | 8 mm |
| Heel stack height | — | 39.5 mm |
| Cushioning | — | Max |
| Support | — | Neutral |
| Surface | Road | Road |
| Available for | Men & Women | Men & Women |
Specs and prices from Nike and Saucony, checked 2026-10-11. Weight is usually for a men's size 9–10.
Which should you get?
Get the Alphafly 4 if…
- you want the lighter shoe
- you want to spend less
Get the Endorphin Elite 3 Space Cowboy if…
- it fits you better or you like its colors
More comparisons
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- Nike Alphafly 4 vs Brooks Hyperion Elite 6
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- Saucony Endorphin Elite 3 Space Cowboy vs Nike Alphafly 3
- Saucony Endorphin Elite 3 Space Cowboy vs Adidas Adizero SL2
- Saucony Endorphin Elite 3 Space Cowboy vs On Cloudboom Echo 3