Step 02 — The lineup
6 shoes scored across eleven metrics · Any purpose
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Altra King MT 2 — Aggressive-lug fell-running shoe for steep, muddy mountains.
Sizing note
Most of this lineup runs roomy in the forefoot — stay at your usual size.
Durability
Expect roughly 425 miles before the midsole flattens out.
Step 03 — Every metric
| Metric | Altra Outroad | Altra Outroad 3 | Altra Lone Peak 10(2025) | Altra Lone Peak 9(2024) | Altra Lone Peak NeoShell | Altra Lone Peak RSM | Altra Lone Peak ALL-WTHR |
|---|---|---|---|---|---|---|---|
| Weight | 302 g / 10.7 oz | 303 g / 10.7 oz | 300 g / 10.6 oz | 295 g / 10.4 oz | 310 g / 10.9 oz | 315 g / 11.1 oz | 315 g / 11.1 oz |
| Drop | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm |
| Stack (heel) | 27 mm | 27 mm | 29 mm | 25 mm | 29 mm | 29 mm | 29 mm |
| Cushioning | |||||||
| Flexibility | |||||||
| Stability (5 = most guidance) | |||||||
| Rocker geometry | |||||||
| Energy return | |||||||
| Responsiveness | |||||||
| Toe-box | Very wide | Very wide | Very wide | Very wide | Very wide | Very wide | Very wide |
| Plate | — | Rock | Rock | Rock | Rock | Rock | Rock |
| Intended pace | 9:00–12:30 /mi | 9:00–12:30 /mi | 9:30–13:00 /mi | 9:30–13:00 /mi | 9:30–13:00 /mi | 9:30–13:30 /mi | 9:30–13:00 /mi |
| Purpose | Trail, Daily | Trail, Daily | Trail, Long run | Trail, Long run, Daily | Trail, Long run | Trail, Long run | Trail, Daily |
| Sizing | True to size | True to size | True to size | True to size | True to size | True to size | True to size |
| Durability | ~450 mi | ~450 mi | ~400 mi | ~400 mi | ~400 mi | ~450 mi | ~450 mi |
| Price | $130 | $150 | $150 | $150 | $185 | $190 | $180 |
Your reference shoe is shown first for context. Cushioning, flexibility and stability are rated 1–5, where 5 stability means the most guidance and 1 means fully neutral.