Cold Water First Stages

Henderson 8/7mm Thermoprene Pro Men's Hooded Semi-Dry Suit

68 reviews

SKU: HNDTPSDXL

^$659.99

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In Stock

DESCRIPTION

A high-quality, 8/7mm semi-dry suit for male scuba divers with durable knee pads and PK S-Lock zipper.

Pros

Great fit and comfort
Reasonable price for the quality
Excellent warmth and minimal water leakage
Easy to put on and take off
High-quality construction and durability

NeoSport 5mm Men's Full Wetsuit Package

53 reviews

SKU: PCKDW8

~~$355.93~~ Save: $105.98 (30%)

^$249.95

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In Stock

DESCRIPTION

A 5mm full wetsuit package for men, designed for scuba diving in colder waters.

Pros

Good quality and durability
Excellent customer service
Good value for the price
Fast shipping and timely delivery
Great fit and warmth

Scubapro "300 bar" (4350 psi) DIN Conversion Kit

37 reviews

SKU: SCPDC3

~~$69.95~~ Save: $20 (29%)

^$49.95

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In Stock

DESCRIPTION

A Durable and easy-to-install DIN conversion kit for Scubapro regulators, perfect for traveling divers.

Pros

Fast and easy conversion
Excellent quality
Easy installation
Reliable
Works as advertised

XS Scuba 5mm Dry Five Gloves

27 reviews

SKU: XSSDFGMD

^$79.95

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In Stock

DESCRIPTION

A 5mm neoprene glove with waterproof seam design and twin cuff design for minimal water transfer.

Pros

Minimal water transfer
Provides warmth and protection
Great value for the price
Durable and long-lasting
Good fit and flexibility

NeoSport 7mm Men's Full Wetsuit Package

15 reviews

SKU: PCKDW10

~~$417.88~~ Save: $117.93 (28%)

^$299.95

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In Stock

DESCRIPTION

A 7mm full wetsuit package for men, designed for cold water use with added knee pads and vented bib hood.

Scubapro 7.5mm Novascotia Men's with Hood Semi-Dry Suit

15 reviews

SKU: SCPNS75MSM

^$949

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In Stock

DESCRIPTION

A sleek and comfortable semi-dry suit for male scuba divers with 7.5mm thickness and hood included.

Mares Abyss 22 Navy II Regulator

10 reviews

SKU: MRSAN22

^$869.95

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In Stock

DESCRIPTION

A high-performance scuba diving regulator with an environmentally sealed, balanced diaphragm design for extreme conditions.

Hollis DC7 500SE Regulator with Maxflex Hose

10 reviews

SKU: HLSDC75D

~~$749.95~~ Save: $350.00 (47%)

^$399.95

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In Stock

DESCRIPTION

A high-performance regulator with over-balanced diaphragm, servo-controlled 2nd stage, and environmentally sealed first stage.

Dive Rite XT Regulator

6 reviews

SKU: DIVRG5300Y

^$575

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In Stock

DESCRIPTION

A patented, environmentally sealed regulator with optimal hose routing and Teflon-coated parts.

Atomic Aquatics M1 Regulator Yoke Sealed

6 reviews

SKU: ATMM1BK

^$1019.95

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In Stock

DESCRIPTION

A high-performance regulator designed for extreme diving situations, with nitrox-ready capabilities and freeze protection.

Dive Rite XT Advanced Open Water Regulator

5 reviews

SKU: DIVPK53Y

^$975

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In Stock

DESCRIPTION

A streamlined, environmentally sealed regulator with adjustable 2nd stage and cold-water ready components.

Scubapro MK25 EVO/G260 Regulator

4 reviews

SKU: SCPM25EG26

^$1049

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In Stock

DESCRIPTION

A high-performance regulator set with adjustable 2nd stage, 5 LP ports, and enhanced freezing resistance.

Atomic Aquatics T3 Titanium Swivel Sealed Regulator, DIN

3 reviews

SKU: ATMT3RD

^$2369.95

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In Stock

DESCRIPTION

A lightweight, durable titanium regulator with adjustable 2nd stage and environmentally sealed DIN fitting.

Scubapro MK25 EVO/A700 Carbon BT Yoke Dive Regulator System

3 reviews

SKU: SCPM25EA7CB

^$1799

+ wishlist

In Stock

DESCRIPTION

A durable and sleek black regulator with adjustable 2nd stage and enhanced cold-water diving capabilities.

Oceanic Delta 5 Second Stage Only

3 reviews

SKU: OCND5SBK

^$229.95

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In Stock

DESCRIPTION

A pneumatically balanced 2nd stage with all-metal valve body and heat exchange for cold water use.

Scubapro Mark 25 EVO Regulator DIN, First Stage Only

2 reviews

SKU: SCPM25ED

^$519

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In Stock

DESCRIPTION

A high-performing Scubapro first stage regulator with DIN fitting and 5 LP ports.

Scubapro MK17 EVO 2/S620 Ti Dive Regulator System

2 reviews

SKU: SCPMK17RI

^$1099

+ wishlist

In Stock

DESCRIPTION

A lightweight, titanium regulator system with sealed diaphragm and adjustable breathing for extreme diving conditions.

Scubapro Mark 25 EVO Regulator, First Stage Only

2 reviews

SKU: SCPM25E

^$519

+ wishlist

In Stock

DESCRIPTION

A top-performing Scubapro first stage regulator with superb inhalation sensitivity and 5 LP ports.

Mares Prestige 15X Regulator

2 reviews

SKU: MRSPR15XGR

~~$449.95~~ Save: $105 (23%)

^$344.95

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In Stock

DESCRIPTION

A compact and reliable regulator with advanced coating technology for durability and easy breathing.

Pros

Good basic reg
Dependability
Clear view
Breathability
Price

Scubapro MK25 EVO/S600 Regulator

2 reviews

SKU: SCPM25ES60

^$1099

+ wishlist

In Stock

DESCRIPTION

A high-performance Scubapro regulator with adjustable inhalation control and superior cold water performance.

Waterproof 5mm W8 Men's Full Wetsuit

2 reviews

SKU: WPGW85MMLT

^$790.90

+ wishlist

In Stock

DESCRIPTION

A 5mm full wetsuit with super-stretch neoprene, WaterDam technology, and Duratex reinforcements in black and gray.

Sherwood Oasis Pro Regulator

2 reviews

SKU: SWDRO

~~$494.95~~ Save: $260.95 (53%)

^$234

+ wishlist

In Stock

DESCRIPTION

A Sherwood Oasis Pro Regulator with moisture retention vanes, easy-breathing design, and environmentally sealed first stage.

Scubapro MK25/G260 Regulator, DIN

1 reviews

SKU: SCPM25G26D

^$1049

+ wishlist

In Stock

DESCRIPTION

A high-performance regulator with adjustable 2nd stage and 5 LP ports, suitable for DIN fittings.

Scubapro MK19 EVO BT/G260 Carbon BT Yoke Dive Regulator System

1 reviews

SKU: SCPMK19

^$1549

+ wishlist

In Stock

DESCRIPTION

A premium dive regulator system with a carbon cover, freeze-proof technology, and effortless breathing.

Scubapro G260 Regulator, Second Stage Only

1 reviews

SKU: SCPG260

^$570

+ wishlist

In Stock

DESCRIPTION

A highly adjustable second stage regulator with cold water resistance and air-balanced valve technology.

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Cold Water First Stages

Diving in cold water presents unique challenges and demands specialized equipment, especially when it comes to your regulator’s first stage. This critical component is the gateway between your air supply and the environment, responsible for reducing tank pressure to a manageable level for your second stage. In frigid conditions, particularly as temperatures drop in late autumn and winter, the risk of regulator freeze-up becomes a real concern. Cold water first stages are engineered to withstand these harsh environments, incorporating advanced features such as environmentally sealed chambers, heat exchangers, and specialized materials that resist ice formation. These design elements help prevent free-flow and maintain consistent airflow, even as you descend into waters where the temperature hovers near freezing. For divers who frequent alpine lakes, northern coastlines, or who participate in ice diving, investing in a cold water first stage is not just a matter of comfort—it’s a matter of safety and performance. The peace of mind that comes from knowing your breathing apparatus won’t fail, even as you navigate beneath a frozen surface or explore kelp forests in chilly Pacific waters, is invaluable.

Selecting the right cold water first stage requires thoughtful consideration of your diving environment and experience level. Seasoned divers often recount the sensation of that first breath underwater as the cold seeps through their gloves—a bracing reminder of why robust, reliable gear is essential. If you’re shopping for a loved one who dives year-round or is planning a trip to colder destinations, a cold water first stage makes a practical and thoughtful gift. These regulators are particularly well-suited for instructors, technical divers, and anyone who values the freedom to dive regardless of season. Look for models that offer easy maintenance, compatibility with various cylinder types, and proven performance in sub-50°F (10°C) water. Divers often share stories of how a well-chosen first stage has made the difference between a cut-short dive and a memorable winter exploration, whether that’s gliding beneath ice sheets or watching seals play in the brisk surf. The right equipment not only enhances safety but also opens up a world of underwater experiences that would otherwise be inaccessible.

For those building or upgrading their cold water setup, it’s worth exploring complete packages that pair first stages with other essential components. These kits often include everything needed for a seamless transition to cold water diving, ensuring all parts are optimized for low temperatures and easy assembly. If you’re interested in a streamlined approach or want to ensure full compatibility, browse our curated selection of Cold Water Stage Kits. As November brings shorter days and chillier dives, having the right first stage can transform cold water from a barrier into an invitation—allowing you to experience the serenity of winter diving, the clarity of cold seas, and the thrill of exploring underwater worlds less traveled. Whether you’re a seasoned ice diver or just starting to push your boundaries beyond the summer season, equipping yourself with a dependable cold water first stage is a decision that pays dividends every time you submerge into the brisk, invigorating blue.