The New Balance SuperComp Ld-x v3 and New Balance SuperComp Md-x v3 are both neutral running shoes with firm, responsive cushioning. The SuperComp Ld-x v3 is 0.3 oz lighter (5.6 oz vs 5.9 oz).
Specs side by side
| Spec | SuperComp Ld-x v3 | SuperComp Md-x v3 |
|---|---|---|
| Price | $169.99 | $169.99 |
| Weight | 5.6 oz | 5.9 oz |
| Cushioning | Firm / responsive | Firm / responsive |
| Support | Neutral | Neutral |
| Surface | Track | Track |
| Available for | Men & Women | Men & Women |
Specs and prices from New Balance, checked 2026-10-11. Weight is usually for a men's size 9–10.
Which should you get?
Get the SuperComp Ld-x v3 if…
- you want the lighter shoe
Get the SuperComp Md-x v3 if…
- it fits you better or you like its colors
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