Aqua Lung fin strap sizing.
| EU size | US size | Size |
|---|---|---|
| 35–39 | 3–6 | S |
| 40–43 | 6–9 | M |
| 44–47 | 9.5–12 | L |
| 42–47* | 8–12* | XL |
* suited for special boots
From Aqua Lung’s chart: Aqualung fins with adjustable heel straps are designed to fit a range of foot sizes. Feet at the smaller end of the size range may not reach the edge of the fin pocket, while feet at the larger edge of the size range may extend past the edge of the fin pocket. Sizes shown here are estimations
Source: Aqua Lung’s size chart (original chart).
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Product Information
Upgrade your diving gear with our custom-designed Phazer spring straps featuring a unique buckle for easy, secure fastening. Available in three sizes - Medium, Large, and Small - these Phazer spring straps are the perfect addition to your dive equipment. Say goodbye to constantly readjusting your straps and hello to a comfortable, secure fit every time you dive. Shop now and experience the convenience and quality of our Phazer spring straps!
⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.













