You’ve just bought your shiny, brand new drysuit, but the question now is what to wear underneath it, and what are the best drysuit undergarments available? Whether you’re a recreational diver diving in cold water or a technical diver used to deep diving, choosing the right undersuit is crucial to enjoying your diving.

Staying warm but avoiding overheating in the water is a joint effort between the drysuit and the undersuit. Looking around there are plenty of options available, all promising to keep you warm, but ultimately which ones are the best?

One of our big goals here at The Adventure Junkies is to make your life easier when it comes to gear shopping. In this guide, we’ll walk you through which drysuit undergarments are the best, and when and where you can best use them.

For more of our top scuba gear recommendations, check out these popular articles: 

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Cameras | Housings | Lenses | Strobes

 

 

LEARN HOW TO CHOOSE DIVING GEAR FOR YOUR NEXT UNDERWATER ADVENTURE


 

 

QUICK ANSWER – THE BEST DRYSUIT UNDERGARMENTS

  1. Scubapro Climasphere
  2. Fourth Element Halo3D
  3. Fourth Element Arctic
  4. Bare SB System Top
  5. Bare SB System Pants
  6. Bare SB System Mid Layer
  7. Waterproof Warmtec HD
  8. Bare Polarwear Extreme

 

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DRYSUIT UNDERGARMENTS REVIEWS

SCUBAPRO CLIMASPHERE

Check out the latest price on:
Amazon | LeisurePro

BEST FOR: Diving in temperate and cold waters, by choosing to wear either one or both layers

WOMEN’S VERSION: Unisex

KEY FEATURES: 2-piece suit with a full body undersuit, and a shorty-like top for additional warmth, thumb and foot loops, neoprene ankle and wrist cuffs

MATERIAL: Fleece material, that stretches to match the diver’s body shape

PROS: Two-piece gives more flexibility, cuffs and loops make putting the drysuit on much easier

CONS: Two-piece design can be bulky around the midriff, chest and shoulders area, not easy to route a P-valve, somewhat heavy

 

 

 

FOURTH ELEMENT HALO 3D

Check out the latest price on:
Amazon | LeisurePro

BEST FOR: Cold water diving, or ultra-long dives in temperate waters, ideal for combining with the Xerotherm base layer

WOMEN’S VERSION: Fourth Element Halo3D

KEY FEATURES: Thumb and foot loops, right arm pockets, P-valve holes, three-layer construction with SPACETEK insulated panels

MATERIAL: Dual layered stretch material with SPACETEK panels

PROS: Super warm even when soaking wet, pockets, thumb and foot loops make donning the drysuit very easy, P-Valve holes allow for easy routing of the hoses

CONS: Expensive, can be bulky especially when worn with base layer

 

 

 

FOURTH ELEMENT ARCTIC

Check out the latest price on:
Amazon

BEST FOR: Ideal for colder waters when used alone, when combined with the Xerotherm can be used in very cold waters

WOMEN’S VERSION: Fourth Element Arctic 

KEY FEATURES: Thumb and foot loops make it easier to put on the drysuit, will continue to provide warmth even after minor leaks

MATERIAL: Dual layer fleece-like material, that provides great insulation whilst being lightweight

PROS: Very warm, lightweight, and combines very well with Fourth Element base layers, stays warm when wet

CONS: Somewhat expensive, does not offer ideal routing for a P-valve, and can take a while to dry

 

 

 

BARE SB SYSTEM TOP

Check out the latest price on:
Amazon

BEST FOR: Ideal for use as a base layer, can also be used on its own in warmer temperate waters, or with a neoprene drysuit

WOMEN’S VERSION: Bare SB System Top 

KEY FEATURES: Pocket on the right arm, which makes taking your keys or any other items with you a breeze

MATERIAL: 3 layers of fleece-like material, which stretches to match the body’s contours, plus anti-microbial properties

PROS: Anti-microbial property great for against the skin layer, lightweight, and wicks away moisture

CONS: No thumb loops—making putting it on more difficult, somewhat expensive

 

 

 

BARE SB SYSTEM PANTS

Check out the latest price on:
Amazon | LeisurePro

BEST FOR: The bottom part of the SB Base layer top is ideal for use as a base, and can be used on its own in warmer waters, or in colder water with a neoprene drysuit

WOMEN’S VERSION: Bare SB System Pants 

KEY FEATURES: Leg loops make it easy to put on and prevents the legs from rolling up when putting on the dry suit

MATERIAL: Same as base layer top, 3 layers of fleece, which will stretch to match your body shape, and has the same anti-microbial properties as the top layer

PROS: The anti-microbial property is great addition for a layer that sits against your skin, lightweight, and wicks away moisture

CONS: Somewhat expensive, routing the hose from a P-valve can be somewhat difficult

 

 

 

BARE SB SYSTEM MID LAYER

Check out the latest price on:
Amazon | LeisurePro

BEST FOR: Ideal for colder waters when combined with the SB base layers

WOMEN’S VERSION: Bare SB System Mid Layer

KEY FEATURES: Leg loops, single pocket and 2 way zip

MATERIAL: 4-way stretch polyester/spandex fleece

PROS: Warm, snug fitting, leg loops make donning the drysuits much easier, pocket makes storing keys and cards easier

CONS: Expensive, zip angle makes routing the P-valve hose more difficult, no thumb loops

 

 

 

WATERPROOF WARMTEC HD

Check out the latest price on:
Amazon | LeisurePro

BEST FOR: Cold water diving

WOMEN’S VERSION: Unisex

KEY FEATURES: 4 pockets, thumb and foot loops

MATERIAL: Outer shell: 100% nylon taffeta 210T polyurethane silver coated; lining: polyester fiber with scald surface

PROS: Very warm, great value for money, thumb and foot loops facilitate putting on the drysuit

CONS: Thick material means it can be cumbersome

 

 

 

BARE POLARWEAR EXTREME

Check out the latest price on:
Amazon

BEST FOR: Cold water diving

WOMEN’S VERSION: Bare Hi-Loft Polar Wear Extreme

KEY FEATURES: Two-way zipper, thumb and foot loops, and Thinsulate panelling

MATERIAL: Fleece material with HYDROSTRETCH panels, and Thinsulate around the torso

PROS: Super warm, two-way zip allows for easy P-valve routing

CONS: Expensive, can be quite bulky

 

 

 

COMPARISON TABLE – THE BEST DRYSUIT UNDERGARMENTS

PICTURE
UNDERGARMENT
WARMTH
PART OF A LAYER
PRICE
RATING
PICTURE
UNDERGARMENT
WARMTH
PART OF A LAYER
PRICE
RATING
Scubapro Climasphere
*
No
$$
5.0
Fourth Element Halo3D
****
Yes
$$$
5.0
Fourth Element Arctic
***
Yes
$$
5.0
Bare SB System Top
*
Yes
$$
4.8
Bare SB System Pants
*
Yes
$$
4.5
Bare SB System Mid Layer
**
Yes
$$
4.2
Waterproof Warmtec HD
***
No
$
4.6
Bare Polarwear Extreme
**
Yes
$$$
4.7

 

 

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HOW TO CHOOSE THE BEST DRYSUIT UNDERGARMENTS

WARMTH

The key factor when choosing the best drysuit undergarment is how warm they can keep you for the type of diving you are doing. Since minor leaks are a fact of life when diving with a drysuit, it is crucially important to know whether your undergarment will still keep you warm when it is wet.

 

LAYERING

On land, layering your clothing is key to staying warm, and it’s no different underwater. Multiple layers are far more effective for maintaining thermal protection. The best drysuit undergarments can be layered as part of a bigger system—providing warmth and flexibility no matter what the water temperature or diving conditions. One drawback to look out for is that with layering, the undergarment can end up being very bulky and hinder movement and performance, and even negatively affect your buoyancy control.

 

DESIGN & MATERIAL

There are several accessories that make life so much easier when using a drysuit. The best drysuit undergarments have foot and thumb loops that prevent the suit from rolling up your limbs when you’ve zipped up your drysuit. They should also make it relatively easy to route hoses from P-valves. The material the suit is made from is also important since it should wick away moisture and keep the diver’s skin dry throughout the dive.

 

COST

It’s a fact of life—cost does play a part in determining whether you buy a suit or not and whether you can justify the cost. A dive professional making several hundred dives a year might opt for a very expensive suit, whilst someone who only does 10-15 dives per year might find the price prohibitive.

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