The Adidas Adizero SL2 is a road running shoe and the Saucony Endorphin Pro 5 is a neutral road running shoe. The Adizero SL2 costs about $175 less (from $65) and is rated higher by buyers (4.7 vs 3.7 out of 5). The Endorphin Pro 5 sits higher off the ground (39.5 mm vs 35 mm heel stack).
Specs side by side
| Spec | Adizero SL2 | Endorphin Pro 5 |
|---|---|---|
| Price | $65 | $240 |
| Rating | 4.7 / 5 (482 reviews) | 3.7 / 5 (239 reviews) |
| Weight | 7.3 oz | 7.3 oz |
| Heel-to-toe drop | 9 mm | 8 mm |
| Heel stack height | 35 mm | 39.5 mm |
| Cushioning | — | Balanced |
| Support | — | Neutral |
| Surface | Road | Road |
| Available for | Women | Men & Women |
Specs and prices from Adidas and Saucony, checked 2026-10-11. Weight is usually for a men's size 9–10.
Which should you get?
Get the Adizero SL2 if…
- you want to spend less
- you like feeling closer to the ground
- you want the more widely reviewed shoe
Get the Endorphin Pro 5 if…
- you want more foam under your heel
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