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Pinnacle tech creates a propulsive ride fine-tuned for marathon speed.
Fine-tuned for marathon speed, the Alphafly 3 helps you push beyond what you thought possible with three innovative technologies. A double dose of Air Zoom units works with a full-length carbon-fibre plate to help launch you into your next step. The ZoomX foam midsole helps keep you fresh from mile 1 to 26.2. Time to leave your old personal records in the dust.
Propulsive Air Zoom Units
Two Air Zoom units in the forefoot store and return energy back to you, helping power your every step.
ZoomX foam midsole
The ultralight ZoomX foam midsole is fully connected to the outsole, providing you with a smooth transition and optimised responsiveness throughout your race.
Full-length carbon-fibre plate
A slightly wider carbon-fibre Flyplate gives you a propulsive and stable feel with each step and turn.
Atomknit Upper
The Atomknit upper offers lightweight containment and breathability.
What's New?
Product Details
| US | EUR | UK | JPN (cm) |
|---|---|---|---|
| 7.5 | 40.5 | 6.5 | 25.5 |
| 8 | 41 | 7 | 26 |
| 8.5 | 42 | 7.5 | 26.5 |
| 9 | 42.5 | 8 | 27 |
| 9.5 | 43 | 8.5 | 27.5 |
| 10 | 44 | 9 | 28 |
| 10.5 | 44.5 | 9.5 | 28.5 |
| 11 | 45 | 10 | 29 |
| 11.5 | 45.5 | 10.5 | 29.5 |
| 12 | 46 | 11 | 30 |
| 13 | 47.5 | 12 | 31 |
| 14 | 48.5 | 13 | 32 |
| 15 | 49.5 | 14 | 33 |
| CM | US |
| 13.3 cm | 6C |
| 14.2 cm | 7C |
| 15 cm | 8C |
| 15.9 cm | 9C |
| 16.7 cm | 10C |
| 17.6 cm | 11C |
| 18.4 cm | 12C |
| 19.3 cm | 13C |
| 20.1 cm | 1Y |
| 20.8 cm | 2Y |
| 21.6 | 3y |
| US | EUR | UK | JPN (cm) |
| 5 | 35.5 | 2.5 | 22 |
| 5.5 | 36 | 3 | 22.5 |
| 6 | 36.5 | 3.5 | 23 |
| 6.5 | 37.5 | 4 | 23.5 |
| 7 | 38 | 4.5 | 24 |
| 7.5 | 38.5 | 5 | 24.5 |
| 8 | 39 | 5.5 | 25 |
| 8.5 | 40 | 6 | 25.5 |
| 9 | 40.5 | 6.5 | 26 |
| 9.5 | 41 | 7 | 26.5 |
| 10 | 42 | 7.5 | 27 |
| Size | CHEST (cm) | WAIST (cm) | HIP (cm) | Height (cm) |
|---|---|---|---|---|
| XS | 80 β 88β³ | 65 β 73β³ | 80 β 88β³ | 170 β 183 |
| S | 88 β 96β³ | 73 β 81β³ | 88 β 96β³ | 170 β 183 |
| M | 37 β 40β³ | 81 - 89β³ | 96 - 104β³ | 170 β 183 |
| L | 40 β 44β³ | 89 - 97β³ | 104 - 112β³ | 170 β 183 |
| XL | 44 β 48β³ | 97 - 109β³ | 112 - 120β³ | 170 β 183 |
| 2XL | 48 β 52β³ | 109 - 121β³ | 120 - 128β³ | 170 β 183 |
| Size | BUST | WAIST | HIP |
|---|---|---|---|
| XXS | 70 - 76β³ | 54 - 60β³ | 78 - 84β³ |
| XS | 76 - 83β³ | 60 - 67β³ | 84 - 91β³ |
| S | 83 - 90β³ | 67 - 74β³ | 91 -98β³ |
| M | 90 - 97β³ | 74 β 81β³ | 98 β 105β³ |
| L | 97 β 104β³ | 81 β 88β³ | 105 β 112β³ |
| XL | 104 β 114β³ | 88 β 98β³ | 112 β 120β³ |
| 2XL | 114 β 124β³ | 98 β 108β³ | 120 β 128β³ |
| Size | Numeric Size | Age | Height (cm) | Chest (cm) | Waist (cm) | Hip (cm) |
|---|---|---|---|---|---|---|
| XS | 6 - 7 | 7 - 8 | 122 - 128 | 64.5 - 66 | 59.5 - 61.5 | 68.5 - 71 |
| S | 8 - 9 | 8 - 10 | 128 - 137 | 66 - 69 | 61.5 - 65 | 71 - 74.5 |
| M | 10 - 12 | 10 - 12 | 137 - 147 | 69 - 75 | 65 - 69 | 74.5 - 79.5 |
| L | 14 - 16 | 12 - 13 | 147 - 158 | 75 - 81.5 | 69 - 72.5 | 79.5 - 84.5 |
| XL | 18 - 20 | 13 - 15 | 158 - 170 | 81.5 - 88.5 | 72.5 - 75.5 | 84.5 - 89.5 |
| XS | < 29 | < 35 | 32 | 34 | 30 |
|---|---|---|---|---|---|
| S | 29β32 | 35β37.5 | 32.25 | 34.25 | 30.25 |
| M | 32β35 | 37.5β41 | 32.5 | 34.5 | 30.5 |
| L | 35β38 | 41β44 | 32.75 | 34.75 | 30.75 |
| XL | 38β43 | 44β47 | 33 | 35 | 31 |
| XXL | 43β47.5 | 47β50.5 | 33.25 | 35.25 | 31.25 |
| XXXL | 47.5β52.5 | 50.5β53.5 | 33.5 | 35.5 | 31.5 |
| XS | 0β2 | 23.5β26 | 33β35.5 | 31.2 | 33.25 | 29.25 |
|---|---|---|---|---|---|---|
| S | 4β6 | 26β29 | 35.5β38.5 | 31.2 | 33.25 | 29.25 |
| M | 8β10 | 29β31.5 | 38.5β41 | 31.5 | 33.5 | 29.5 |
| L | 12β14 | 31.5β34.5 | 41β44 | 31.5 | 33.5 | 29.5 |
| XL | 16β18 | 34.5β38.5 | 44β47 | 31.75 | 33.75 | 29.75 |
| XXL | 20β22 | 38.5β42.5 | 47β50 | 31.75 | 33.75 | 29.75 |
| SIZE | 30 | 32 | 34 | 36 | 38 |
| A | XS | XS | S | M | L |
| B | |||||
| C | S | ||||
| D | M | L | XL | ||
| DD | |||||
| E |

