The Nike Alphafly 4 is a road running shoe and the Saucony Endorphin Pro 5 is a neutral road running shoe. The Alphafly 4 is 0.7 oz lighter (6.6 oz vs 7.3 oz). The Endorphin Pro 5 costs about $40 less (from $240).
Specs side by side
| Spec | Alphafly 4 | Endorphin Pro 5 |
|---|---|---|
| Price | $280 | $240 |
| Rating | — | 3.7 / 5 (239 reviews) |
| Weight | 6.6 oz | 7.3 oz |
| Heel-to-toe drop | 8 mm | 8 mm |
| Heel stack height | — | 39.5 mm |
| Cushioning | — | Balanced |
| 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
Get the Endorphin Pro 5 if…
- you want to spend less
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