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Drysuit Undergarments

Drysuit undergarments (or undersuits) are worn beneath the dry suit to provide much of the actual insulation for the scuba diver and have a large impact on the enjoyment of a dive.

Undersuits are used for providing additional warmth when diving, traditionally under a drysuit but some are now ideal for use under a wetsuit as well. Undergarments are available in a wide range of styles, thickness grades and materials, spanning from the thinnest (e.g. Northern Diver Thermalskin) up to the much thicker and more thermally insulating (e.g. Northern Diver Metalux Arctic).

For cold-water use, especially diving under ice sheets, the user will usually wear a thick undersuit in a membrane drysuit. The thickness of undersuits varies and can be chosen by the wearer according to the water temperature. Thinsulate or Fleece (e.g. Northern Diver Arctic Base) is one of the preferred fabrics for undersuits. More recently, aerogel material is being added to conventional undergarments to increase the insulating properties of those garments.

Neoprene drysuits are made from a foam-rubber sheet containing tiny air bubbles, which provide insulation by themselves, and can eliminate the need for an undersuit, or greatly reduce the thickness needed for the under fabric. A neoprene wetsuit can also be worn under a membrane drysuit for extra protection against condensation and leaks.



Product Image Item Name- Price
Northern Diver Arctic Base 3-Piece Undersuit (Unisex)

Northern Diver Arctic Base 3-Piece Undersuit (Unisex)

The soft, thick Northern Diver Artic Base Drysuit Undersuit is a 3-piece Ultra-thermic Fleece Undersuit. The smock top, leggings and socks make a...
$259.00  $209.00
Save: $50.00 (19%)


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Sonar Lycra Body Suits

Sonar Lycra Body Suits

Rated to UV50+ these Sonar Lycra Bodysuits block out the suns harmful rays to provide excellent overall protection from the sun, coral and aquatic...
$79.00  $40.00
Save: $39.00 (49%)


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Sonar Lycra Rash Vest - Long Sleeve

Sonar Lycra Rash Vest - Long Sleeve

Rated to UV50+ these Sonar Lycra Long Sleeve Rash Vests block out the suns harmful rays to provide excellent overall protection from the sun, coral...
$45.00  $25.00
Save: $20.00 (44%)


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Northern Diver Metalux 100 Gents Undersuit - XS 170cm 54-60kg

Northern Diver Metalux 100 Gents Undersuit - XS 170cm 54-60kg

The Northern Diver Metalux 100 is a unique undersuit, insulating and reflecting a diver's heat back to the body. SPECIAL ON IN-STOCK SUIT Gents XS...
$239.00  $99.00
Save: $140.00 (59%)


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Northern Diver Metalux 100 Gents Undersuit - Reg 170cm 64-70kg

Northern Diver Metalux 100 Gents Undersuit - Reg 170cm 64-70kg

The Northern Diver Metalux 100 is a unique undersuit, insulating and reflecting a diver's heat back to the body. SPECIAL ON IN-STOCK SUIT Gents...
$239.00  $99.00
Save: $140.00 (59%)


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Northern Diver Metalux 100 Gents Undersuit - Slim 175cm 57-64kg

Northern Diver Metalux 100 Gents Undersuit - Slim 175cm 57-64kg

Metalux is a unique undersuit, insulating and reflecting a diver's heat back to the body. SPECIAL ON IN-STOCK SUIT Gents Slim Fit, 5'8" / 175 cm,...
$239.00  $99.00
Save: $140.00 (59%)


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Northern Diver Metalux 200 Gents Undersuit - XS 170cm 54-60kg

Northern Diver Metalux 200 Gents Undersuit - XS 170cm 54-60kg

The Northern Diver Metalux 200 is a unique undersuit, insulating and reflecting a diver's heat back to the body. SPECIAL ON IN-STOCK SUIT Gents XS...
$255.00  $99.00
Save: $156.00 (61%)


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Northern Diver Metalux 300 Gents Undersuit - S 175cm 57-64kg

Northern Diver Metalux 300 Gents Undersuit - S 175cm 57-64kg

The Northern Diver Metalux 300 is a unique undersuit, insulating and reflecting a diver's heat back to the body. SPECIAL ON IN-STOCK SUIT Gents Slim...
$271.00  $99.00
Save: $172.00 (63%)


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Northern Diver Hot Sox (formerly Warm Socks)

Northern Diver Hot Sox (formerly Warm Socks)

The Northern Diver Hot Sox (formerly called Warm Socks) are the ultimate cold killers for you feet. They are made from wicking fleece material, which...
$54.00  $44.00
Save: $10.00 (19%)


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Northern Diver Bodyline Thermalskin Undersuit

Northern Diver Bodyline Thermalskin Undersuit

The Northern Diver Bodyline Thermalskin undergarment fits like a second skin under your drysuit or wetsuit. Thermalskin has proved itself to be an...
$235.00  $149.00
Save: $86.00 (37%)


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Featured Products - Suits / Drysuits

Sharkskin Chillproof Long Sleeve Top - Mens

Sharkskin Chillproof Long Sleeve Top - Mens
$175.00  $159.00
Save: $16.00 (9%)
Sharkskin Chillproof Long Sleeve Top - Womens

Sharkskin Chillproof Long Sleeve Top - Womens
$175.00  $159.00
Save: $16.00 (9%)

Monthly Specials For December

Sharkskin Chillproof Beanie

Sharkskin Chillproof Beanie
$30.00  $27.00
Save: $3.00 (10%)
Sharkskin Chillproof Short Sleeve Top - Mens

Sharkskin Chillproof Short Sleeve Top - Mens
$165.00  $149.00
Save: $16.00 (10%)
Sharkskin Chillproof Short Sleeve Top - Womens

Sharkskin Chillproof Short Sleeve Top - Womens
$165.00  $149.00
Save: $16.00 (10%)

Apollo Edge Fleece Drysuit Undergarment - Unisex

Apollo Edge Fleece Drysuit Undergarment - Unisex
$155.00  $139.00
Save: $16.00 (10%)
Sharkskin Chillproof Longpants - Mens

Sharkskin Chillproof Longpants - Mens
$175.00  $159.00
Save: $16.00 (9%)
Sharkskin Chillproof Longpants - Womens

Sharkskin Chillproof Longpants - Womens
$175.00  $159.00
Save: $16.00 (9%)

Sharkskin Chillproof Shortpants - Womens

Sharkskin Chillproof Shortpants - Womens
$130.00  $119.00
Save: $11.00 (8%)
Sharkskin Chillproof Shortpants - Mens

Sharkskin Chillproof Shortpants - Mens
$130.00  $119.00
Save: $11.00 (8%)
Waterproof Warmtec 200g Drysuit Undergarment (Unisex)

Waterproof Warmtec 200g Drysuit Undergarment (Unisex)
$339.00  $299.00
Save: $40.00 (12%)

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