What Is a Wetsuit Designed For?
Wetsuits are created to keep you warm in the water, not to keep you completely dry. Made from neoprene, a flexible and insulating material, wetsuits help retain your body heat by trapping a thin layer of water between the suit and your skin. This layer is then warmed by your body, creating insulation against colder conditions. Unlike drysuits, which seal out all water, wetsuits rely on water entering and being retained to function effectively.
How Wetsuits Work in the Water
When you enter the water wearing a wetsuit, a small amount of water seeps into the suit and stays trapped between the neoprene and your skin. Your body quickly warms this thin layer, helping to regulate your temperature. The neoprene itself also provides insulation, limiting the loss of body heat to the surrounding environment. This combination of warm water and insulating material makes wetsuits ideal for many aquatic activities in cool to cold water.
Do Wetsuits Let Water In?
Yes, wetsuits do let water in by design. Water enters through the neck, wrists, ankles, and sometimes the zipper. A snug-fitting wetsuit limits how much water can flow in and out, reducing what’s known as flushing, which is when cold water continuously replaces the warmed water layer. For better insulation and performance, choosing properly fitted wetsuits is essential, especially when swimming, surfing, or diving in colder conditions.
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Difference Between Wetsuits and Drysuits
Wetsuits and drysuits serve different purposes. Wetsuits allow water in to warm it up, while drysuits are sealed to keep all water out. Drysuits are often used in extremely cold water, where even minimal exposure could cause discomfort or risk. Wetsuits, on the other hand, are more flexible, lightweight, and generally more affordable, making them suitable for a wider range of recreational water sports. If staying dry is a priority, a drysuit may be the better option.
When You Might Still Feel Wet or Cold
Even a good wetsuit won’t keep you warm if it doesn’t fit well. Loose areas allow too much water to enter and flush out the warmed layer, leaving you chilled. Tears or worn seals can also lead to excessive water flow. Additionally, wetsuits come in different thicknesses, and choosing one too thin for the water temperature can leave you cold. It’s important to pick a wetsuit appropriate for your activity and water conditions.
Final Word
Wetsuits aren’t meant to keep you dry, but they do an excellent job of keeping you warm by trapping and warming a small layer of water. With the right fit and thickness, a wetsuit can offer comfort and thermal protection across a range of aquatic activities. If your priority is warmth with flexibility, a wetsuit is your go-to gear. If you need to stay completely dry, consider exploring drysuit options instead.
