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Undergarments
Getting your gear right can make or break a dive trip
We’ve put together some helpful guidelines and top tips to get you started…
No-one wants to be 20 minutes into a dive shivering in their wetsuit or baking in their drysuit. Warmth can be affected by season, depth, length of dive and every diver is unique so, if you are new to drysuit diving or are changing your kit set-up, finding a thermal layering system that works for you can be confusing.

First, choose a baselayer
A good baselayer worn next to the skin is critical – it must manage moisture and keep your skin as dry as possible. Whether you like it or not, there will be some moisture inside your suit; hopefully, it’s just from perspiration, but at some stage it is likely that it will also be water from a leaky seal, a zipper or a more catastrophic leak. Keeping this moisture away from your skin is the job of a good base layer.
Top Tip
Cotton t-shirts soak up sweat and keep your skin wet and cold, so always use a specialized baselayer
Next, choose a
thermal undersuit
Thermal layers are there to slow heat loss from the body, keep you comfortable and help with gas management and buoyancy within the suit. The key is to find thermal layers that perform without being restrictive, bulky or being too buoyant.
It’s easy to think that the thickest undersuit is the warmest BUT fabric technology, wicking properties and attention to the key areas that are most exposed mean that today’s undersuits can give full thermal performance without being bulky and restrictive.