Best Drysuit Undergarments of 2022

Updated on October 26, 2021

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 the Best Dry Suits. 

Quick Answer – The Best Drysuit Undergarments

Scubapro ClimasphereView at AmazonFourth Element Halo3DView at AmazonFourth Element ArcticView at AmazonWaterproof Warmtec HD 200G FiberfillView at AmazonAqua Lung MKOView at Amazon

Comparison Table – Best Drysuit Undergarment

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Reviews – The Best Scuba Diving Drysuit Undergarments

Scubapro Climasphere

Specs

Material: FleecePart of a Layer: NoWarmth: *

Features

2-piece suit with a full body undersuit Shorty-like top for additional warmthThumb and foot loopsNeoprene ankle and wrist cuffs

BEST FOR: DIVING IN TEMPERATE AND COLD WATERS, BY CHOOSING TO WEAR EITHER ONE OR BOTH LAYERS

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

View at Amazon

Fourth Element Halo3D

View Women’s Version

Specs

Material: Dual Layered Stretch with SPACETEKPart of a Layer: YesWarmth: ****

Features

Thumb and foot loops Right arm pocketsP-valve holesThree-layer construction with SPACETEK insulated panels

BEST FOR: COLD WATER DIVING, OR ULTRA-LONG DIVES IN TEMPERATE WATERS, IDEAL FOR COMBINING WITH THE XEROTHERM BASE LAYER

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

View at Amazon

Fourth Element Arctic

Specs

Material: Dual Layer Fleece-LikePart of a Layer: YesWarmth: ***

Features

Thumb and foot loops make it easier to put on the drysuitWill continue to provide warmth even after minor leaks

BEST FOR: IDEAL FOR COLDER WATERS WHEN USED ALONE, WHEN COMBINED WITH THE XEROTHERM CAN BE USED IN VERY COLD WATERS

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

View at Amazon

Waterproof Warmtec HD 200G Fiberfill

Specs

Material: 100% Nylon Taffeta/PolyesterPart of a Layer: NoWarmth: **

Features

Four pockets Front entry zipper Mesh shoulders Elastic waist Zippered legs

BEST FOR: WATER TEMPERATURES FROM 45-65 DEGREES FAHRENHEIT

PROS: Great value for the money, snug fitting, four pockets for stashing essentials

CONS: Not for the coldest waters

View at Amazon

Aqua Lung MKO

Specs

Material: Bamboo BlendPart of a Layer: NoWarmth: *

Features

1-piece suit with rear convenience flap2-way torso/relief zipperNon-corroding YKK zippers Smooth Lycra stirrups Elastic thumb loops

BEST FOR: A MOISTURE-WICKING BASE LAYER

PROS: Additional Spandex content results in an extreme stretch suitable for all body types

CONS: Not easy to route a P-valve, not suitable for extreme conditions

View at Amazon

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.

READ MORE

For more of our top scuba diving gear recommendations, check out these popular buyer’s guides:

Dive Computers

Scuba Diving Masks

Scuba Regulators

Scuba BCDs

Scuba Diving Fins

Wetsuits for Diving

Dive Watches

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