Cold Water First Stages

Pinnacle 7mm Cruiser Men's Full Wetsuit

75 reviews

SKU: PINC77MXL

^$379.95

+ wishlist

In Stock

DESCRIPTION

A durable 7mm full wetsuit for men, with titanium lining and rubber shoulder pads for enhanced durability.

Pros

Good value for money
Durable construction
Easy to put on and take off
Excellent warmth
Comfortable fit

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: SCPNS75MLG

^$949

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In Stock

DESCRIPTION

A sleek and comfortable semi-dry suit for male scuba divers, featuring 7.5mm thickness and an attached hood.

Mares Abyss 22 Navy II Regulator

10 reviews

SKU: MRSAN22

^$869.95

+ wishlist

In Stock

DESCRIPTION

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

Highland by XS Scuba Compact DIN First Stage

9 reviews

SKU: XSSCDF

^$109.95

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In Stock

DESCRIPTION

A compact and low profile DIN first stage with fail-safe flow, made of marine grade brass.

Scubapro MK25 EVO/A700 Dive Regulator System

6 reviews

SKU: SCPM25EA70

^$1299

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In Stock

DESCRIPTION

A high-performance regulator set with customizable breathing options and enhanced cold-water diving capabilities.

Atomic Aquatics M1 Regulator Yoke Sealed

6 reviews

SKU: ATMM1BK

^$1019.95

+ wishlist

In Stock

DESCRIPTION

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

Dive Rite XT Regulator

6 reviews

SKU: DIVRG5300Y

^$575

+ wishlist

In Stock

DESCRIPTION

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

Dive Rite XT1/XT2 Advanced Open Water Regulator Package

5 reviews

SKU: DIVPK53Y

^$975

+ wishlist

In Stock

DESCRIPTION

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

Atomic Aquatics M1 Regulator DIN Sealed

5 reviews

SKU: ATMM1BKD

^$1019.95

+ wishlist

In Stock

DESCRIPTION

A highly durable and corrosion-resistant Atomic M1 Regulator with DIN system, suitable for cold water and extreme diving.

Scubapro MK25 EVO/G260 Dive Regulator System

4 reviews

SKU: SCPM25EG26

^$1049

+ wishlist

In Stock

DESCRIPTION

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

Sherwood Oasis Pro Regulator

4 reviews

SKU: SWDRO

~~$494.95~~ Save: $255.95 (52%)

^$239

+ wishlist

In Stock

DESCRIPTION

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

Zeagle Onyx II Yoke Regulator

4 reviews

SKU: ZGLO

^$549.95

+ wishlist

In Stock

DESCRIPTION

A lightweight and reliable regulator with adjustable inhalation resistance, suitable for nitrox up to 40%.

Oceanic Delta 5 eDX Yoke Regulator

2 reviews

SKU: OCND5W

^$614.95

+ wishlist

In Stock

DESCRIPTION

A smooth-breathing regulator with all-metal valve, adjustable 2nd stage, and enhanced cold water performance.

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.

Scubapro Mark 25 EVO Regulator DIN, First Stage Only

2 reviews

SKU: SCPM25ED

^$519

+ wishlist

In Stock

DESCRIPTION

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

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.

Mares Prestige 15X Regulator

2 reviews

SKU: MRSPR15XGR

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

^$344.95

+ wishlist

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

Mares Dual 15X Regulator

2 reviews

SKU: MRSD15X

~~$399.95~~ Save: $150 (38%)

^$249.95

+ wishlist

In Stock

DESCRIPTION

A lightweight and environmentally sealed regulator with stable air flow and effortless breathing.

Atomic Aquatics ST1 Swivel Sealed Regulator, DIN

2 reviews

SKU: ATMST1SSD

^$1649.95

+ wishlist

In Stock

DESCRIPTION

A reliable and durable Atomic ST1 Swivel Sealed Regulator, DIN with optimum breathing resistance and Nitrox compatibility.

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Cold Water First Stages

Diving in cold water environments presents unique challenges, demanding specialized equipment to ensure both safety and comfort beneath the surface. Cold water first stages are engineered to perform reliably in frigid conditions, where standard regulators might freeze or fail. These vital components are the heart of a diver’s breathing system, reducing high-pressure air from the tank to an intermediate pressure that can be safely delivered to the second stage. For those venturing into colder climates—whether exploring kelp forests off the Pacific coast, investigating freshwater wrecks in northern lakes, or embarking on early-morning dives as the weather transitions from spring chill to summer warmth—selecting a cold water first stage is an essential part of preparation. These devices are designed with features like environmental sealing and advanced heat exchangers, which help prevent ice crystals from forming inside the regulator, a risk that increases as water temperatures drop. This attention to detail is crucial, as even brief exposure to cold water can trigger an involuntary gasp reflex and rapid breathing, making reliable air delivery a matter of safety as much as comfort.

Cold water first stages are not just for technical divers or those pushing the limits in extreme environments. Recreational divers who enjoy shoulder-season adventures or live in regions where water temperatures remain low year-round will benefit from the added protection and peace of mind these regulators offer. They make thoughtful gifts for dive buddies who are expanding their skills, planning a trip to colder destinations, or simply want to extend their season beyond the warmest months. The right first stage helps divers maintain control and composure during the critical first minutes of immersion, when the body’s natural response includes increased heart rate, hyperventilation, and a heightened risk of panic. Reliable equipment enables divers to focus on controlling their breathing, conserving energy, and enjoying the unique beauty of cold water environments—whether it’s the clarity of a mountain lake, the vibrant life beneath a northern pier, or the haunting stillness of an underwater cavern.

For those assembling a complete cold water setup, it’s worth exploring comprehensive options that pair first stages with compatible second stages and accessories, ensuring every component is optimized for performance in low temperatures. For a curated selection of these solutions, visit our Cold Water Stage Kits page. As always, thoughtful preparation and the right gear are key to unlocking unforgettable experiences in cold water, allowing divers to safely extend their adventures and discover new underwater worlds throughout the changing seasons.