Wetsuit vs Drysuit: What REALLY Keeps You Warm Underwater | SCUBA SCIENCE Ep. 17

Wetsuits vs Drysuits — what’s the real difference?
In this episode of SCUBA SCIENCE, Nick from DiveSAGA breaks down how exposure suits actually work underwater, why water steals your body heat 20x faster than air, and how to choose the right gear for your dive conditions.

You’ll learn:
🌡️ The science of heat loss underwater — conduction, convection, and compression
🧥 How neoprene traps warmth (and why it fails with depth)
💧 What a semi-dry really does — and why it’s not “dry” at all
❄️ How drysuits keep you warm with air insulation, valves, and base layers
⚙️ When to switch from wetsuit to drysuit — and what training you need first

Whether you dive tropical reefs or icy mines, understanding how your exposure suit works is key to staying safe, warm, and comfortable underwater.

⌚ Here's the Time Stamps for you:
0:00 Intro
1:06 Why We Lose Heat Underwater
2:39 How Wetsuits Work
4:47 What Is a Semi-Dry Suit?
5:29 Drysuits Explained
10:10 Wetsuit vs Drysuit: Which Should You Choose?
12:20 Drysuit Safety & Training

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Welcome to Dive SAGA, your destination for world-class scuba diving adventures and education. Led by award-winning SCUBA instructor trainer Nick Derutter, this channel explores the depths of our planet through the lens of history, science, and travel. From cave diving, technical and wreck diving to ice diving and more, Dive SAGA is built for passionate divers.

Whether you're a beginner dreaming of your first dive or an experienced diver looking to refine your skills, you'll find value in every episode. Dive SAGA features expert equipment reviews, career insights for aspiring dive professionals, and immersive footage from some of the world’s most breathtaking underwater locations.

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🔎 Related Phrases:
Wetsuit, drysuit, semi-dry, diving suits


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