How to Choose the Right Wetsuit Thickness – Complete Guide
Wetsuit Thickness by Water Temperature
| Thickness | Water Temp | Best For |
|---|---|---|
| 1.5mm – 2.5mm | 25°C+ (77°F+) | Tropical diving, swimming, surf |
| 3mm | 20–25°C (68–77°F) | Summer diving, mild water |
| 5mm | 15–20°C (59–68°F) | Spring/autumn, temperate waters |
| 7mm | Below 15°C (59°F) | Winter diving, cold water |
Key Factors
- Water temperature, not air temperature, determines thickness
- Dive depth and duration – deeper/longer = more heat loss
- Personal cold tolerance varies by individual
- Activity type – spearfishing needs more warmth than active swimming
Shop OUZO's full range of 1.5mm to 7mm neoprene wetsuits at ouzodive.com.
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