Step 02 — The lineup
6 shoes scored across eleven metrics · Any purpose
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On Cloudswift 4 — On Cloudswift 4: 31 mm heel stack, 8 mm drop, 291 g — specs from independent lab testing.
Sizing note
Cloudboom Strike run snug — go up half a size, especially for long runs.
Durability
Plated models here average ~220 mi; non-plated land closer to ~330 mi.
Step 03 — Every metric
| Metric | On Cloudflash | On Cloudboom Strike(2024) | Adidas Adizero RC 5 | Asics Hyper Speed 4 | Saucony Kinvara 16 | Brooks Hyperion 2(2024) | Hoka Solimar 2 |
|---|---|---|---|---|---|---|---|
| Weight | 210 g / 7.4 oz | 210 g / 7.4 oz | 210 g / 7.4 oz | 210 g / 7.4 oz | 198 g / 7.0 oz | 201 g / 7.1 oz | 227 g / 8.0 oz |
| Drop | 6 mm | 4 mm | 8 mm | 7 mm | 4 mm | 8 mm | 5 mm |
| Stack (heel) | 28 mm | 40 mm | 28 mm | 32 mm | 29 mm | 32 mm | 29 mm |
| Cushioning | |||||||
| Flexibility | |||||||
| Stability (5 = most guidance) | |||||||
| Rocker geometry | |||||||
| Energy return | |||||||
| Responsiveness | |||||||
| Toe-box | Narrow | Narrow | Standard | Standard | Standard | Narrow | Standard |
| Plate | — | Carbon | — | — | — | — | — |
| Intended pace | 5:45–7:45 /mi | 5:00–7:15 /mi | 6:15–8:30 /mi | 5:45–7:45 /mi | 6:30–8:30 /mi | 6:15–8:15 /mi | 8:00–11:00 /mi |
| Purpose | Race day, Tempo | Race day | Tempo, Race day | Tempo, Race day | Tempo, Daily | Tempo, Race day | Daily, Tempo |
| Sizing | Size up ½ | Size up ½ | True to size | True to size | True to size | True to size | True to size |
| Durability | ~250 mi | ~220 mi | ~300 mi | ~250 mi | ~400 mi | ~300 mi | ~400 mi |
| Price | $180 | $290 | $90 | $100 | $140 | $140 | $110 |
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.