Thermal Protection For Long Dives

Pinnacle 7mm Cruiser Men's Full Wetsuit

75 reviews

SKU: PINC77MLS

^$379.95

+ wishlist

In Stock

DESCRIPTION

A durable and warm 7mm full wetsuit for men, ideal for cold water scuba diving.

Pros

Durable construction
Easy to put on
Great price
Excellent warmth
Comfortable fit

Henderson 3mm Thermoprene Men's Vest Wetsuit

43 reviews

SKU: HNDTVMSM

^$118.99

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In Stock

DESCRIPTION

A 3mm front-zip vest wetsuit for men with 75% more stretch than standard neoprene.

NeoSport 7mm Boots

26 reviews

SKU: NSPB78

~~$74.95~~ Save: $10 (13%)

^$64.95

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In Stock

DESCRIPTION

A durable and high-cut 7mm neoprene boot with a soft sole for extra traction in cold waters.

Lavacore Men's Long Sleeve Shirt

23 reviews

SKU: LVCSLSM3XL

^$129.95

+ wishlist

In Stock

DESCRIPTION

A neutrally buoyant long sleeve shirt with a soft fleece inner layer for warmth and antibacterial properties.

Pros

High quality
Effective buoyancy
Provides warmth
Versatile use
Comfortable fit

Lavacore Men's Full Suit

20 reviews

SKU: LVCM3XL

^$249.95

+ wishlist

In Stock

DESCRIPTION

A neutrally buoyant men's full suit with antibacterial fleece, 4-way stretch, and breathable middle layer.

Henderson 3mm Thermoprene Women's Jacket Wetsuit

20 reviews

SKU: HNDTLS3FW14

^$213.99

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In Stock

DESCRIPTION

A durable and flexible 3mm women's jacket wetsuit with front zipper and spandex trimmed cuffs.

Pros

Versatility and ease of use
Mobility and flexibility
Perfect fit and comfort
Brand reputation and affordability
Good warmth and durability

NeoSport 1.5mm Xspan Men's Long Sleeve Top

20 reviews

SKU: NSPPLSS3XL

~~$99.95~~ Save: $22 (22%)

^$77.95

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In Stock

DESCRIPTION

A ultra-soft and comfortable men's long sleeve top made from exclusive XSPAN material.

Henderson 7/5mm Thermoprene Bibbed Hood

19 reviews

SKU: HNDHT72XL

^$58.99

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In Stock

DESCRIPTION

A 7/5mm neoprene bibbed hood with an anatomical fit, trimmable skin face seal, and durable construction.

NeoSport 1.5mm Xspan Unisex Pants

18 reviews

SKU: NSPPPLR

~~$119.95~~ Save: $20 (17%)

^$99.95

+ wishlist

In Stock

DESCRIPTION

A 1.5mm XSPAN unisex pants with 4-way stretch neoprene, shock-cord waistband, and reinforced seat area.

Lavacore Bibbed Hood

18 reviews

SKU: LVCHDMD

^$29.95

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In Stock

DESCRIPTION

A neutrally buoyant bibbed hood with antibacterial inner fleece and SPF 30+ sun protection.

Lavacore Women's Full Suit

17 reviews

SKU: LVCW12

^$249.95

+ wishlist

In Stock

DESCRIPTION

A female-specific fullsuit with 4-way stretch, antibacterial inner fleece, and soft fleece inner layer for warmth.

O'Neill Thermo X Long Sleeve Rash Guard

17 reviews

SKU: ONLTXLT2XL

^$71.95

+ wishlist

In Stock

DESCRIPTION

A men's rash guard with 4-way stretch fabric, low bulk insulation, and quick-dry properties for water sports.

Lavacore Back Zipper Full Jumpsuit, Men's

16 reviews

SKU: LVCJBMK1

^$249.95

+ wishlist

In Stock

DESCRIPTION

A male full jumpsuit by Lavacore with soft fleece inner layer for warmth and 4-way stretch for comfort.

Lavacore Women's Long Sleeve Shirt

15 reviews

SKU: LVCSLSW18

^$129.95

+ wishlist

In Stock

DESCRIPTION

A female-specific, neutrally buoyant long sleeve shirt with thermal insulation and 4-way stretch.

Lavacore Men's Short Sleeve Shirt

15 reviews

SKU: LVCSSMML

^$119.95

+ wishlist

In Stock

DESCRIPTION

A neutrally buoyant men's short sleeve shirt with antibacterial fleece, 4-way stretch, and thermal insulation.

Henderson 5/3mm Thermoprene Bibbed Hood

15 reviews

SKU: HNDHT5MD

^$55.99

+ wishlist

In Stock

DESCRIPTION

A 5/3mm neoprene bibbed hood with an anatomical fit, trimmable skin face seal, and glued and blind stitched seams.

Lavacore Men's Vest

14 reviews

SKU: LVCVMXL

^$99.95

+ wishlist

In Stock

DESCRIPTION

A neutrally buoyant men's vest with 4-way stretch, soft fleece inner layer, and antibacterial properties.

Lavacore Men's Hooded Vest

12 reviews

SKU: LVCHVTMXL

^$129.95

+ wishlist

In Stock

DESCRIPTION

A men's hooded vest with antibacterial inner fleece, 4-way stretch, SPF 30+ sun protection, and full gusset underarm.

NeoSport 5mm Women's Full Wetsuit Package

11 reviews

SKU: PCKDW9

~~$397.87~~ Save: $147.92 (37%)

^$249.95

+ wishlist

In Stock

DESCRIPTION

A 5mm full wetsuit package designed for women with hypoallergenic shampoo and boots for warmth.

Lavacore Women's Vest

11 reviews

SKU: LVCVW14

^$99.95

+ wishlist

In Stock

DESCRIPTION

A female-specific scuba vest with 4-way stretch, antibacterial inner fleece, and thermal insulation.

Lavacore Women's Hooded Vest

11 reviews

SKU: LVCHVTW10

^$129.95

+ wishlist

In Stock

DESCRIPTION

A female-specific hooded vest with antibacterial inner fleece, 4-way stretch, SPF 30+ sun protection, and full gusset underarm.

Henderson 3mm Greenprene Women's Full Wetsuit

11 reviews

SKU: HNDGJ3PW12S

^$517.99

+ wishlist

In Stock

DESCRIPTION

A sustainable, insanely warm 3mm full wetsuit for women that provides excellent UV resistance.

Lavacore by Oceanic Men's Long Sleeve Hooded Shirt

9 reviews

SKU: LVCHSM4XL

^$159.95

+ wishlist

In Stock

DESCRIPTION

A men's long sleeve hooded shirt offering thermal control, SPF 50+ protection, and exceptional flexibility.

Lavacore Shorts Unisex

8 reviews

SKU: LVCSML

^$99.95

+ wishlist

In Stock

DESCRIPTION

A technically advanced unisex shorts made of synthetic fabric with windproof and thermal control features.

Henderson 3mm Greenprene Men's Full Wetsuit

8 reviews

SKU: HNDGJ3PMMS

^$517.99

+ wishlist

In Stock

DESCRIPTION

A sustainable, warm, and durable 3mm full wetsuit for male scuba divers with reinforced knees and UV resistance.

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Thermal Protection For Long Dives

Thermal protection is a cornerstone of comfort and safety for anyone planning long or repeated dives, especially as the water temperature dips or the duration underwater extends. Even in late spring and early summer, when surface conditions might feel warm and inviting, the underwater world can quickly sap body heat—water conducts heat away from the body up to 25 times faster than air. This makes selecting the right thermal gear not just a matter of comfort, but also one of safety and dive performance. Divers who spend extended periods below the surface, whether exploring kelp forests, photographing shipwrecks, or performing technical dives, will immediately appreciate the difference that well-chosen thermal protection makes. The right combination of exposure suit, base layers, gloves, hoods, and even heated accessories can mean the difference between a dive cut short by chills and one where you’re able to focus on the experience, your buddy, and the marine life around you.

When considering which thermal protection is best, it’s important to think about the water temperature, the expected length and depth of your dives, and your own tolerance for cold. For dives in water below 65°F (18°C), a drysuit is often the go-to choice, providing a waterproof barrier and allowing for customizable thermal layering underneath. Many divers opt for moisture-wicking thermal base layers beneath their drysuit, steering clear of cotton in favor of high-performance fabrics that keep warmth in and moisture out. In milder conditions, a thick wetsuit or semi-dry suit in the 7mm to 8/7mm range offers flexibility and warmth, though it’s worth noting that neoprene compresses at depth, gradually reducing its insulating properties. Accessories such as thick hoods, gloves, and socks are essential, as extremities lose heat rapidly. For those who struggle with cold hands or who are planning particularly long dives, heated gloves or glove liners can be a game-changer, staving off numbness and maintaining dexterity. Heated vests, powered by compact batteries, are another innovation, delivering hours of warmth directly to your core and making cold-water dives more accessible and enjoyable for a wider range of divers.

Thermal protection gear also makes for thoughtful and practical gifts, especially for divers who are venturing into new environments or taking on longer dives as their skills progress. It’s a popular choice for dive buddies, partners, or family members who want to ensure their loved ones stay comfortable and safe. For older divers, who may be more sensitive to cold or have specific thermal needs, tailored solutions are available and can be explored further at our dedicated page on Thermal Protection For Older Divers. No matter your experience level, it’s wise to periodically assess your gear—wetsuits, for example, lose insulating capacity over time and may need replacing every few years. Preparation is also key: keeping gear warm up to the moment of entry, layering up with beanies and wool socks, and using windproof parkas or dry robes during surface intervals can all help maintain core temperature. Ultimately, investing in quality thermal protection is an investment in longer, safer, and more enjoyable dives, allowing you to fully immerse yourself in the underwater world without distraction or discomfort.