Gloves, Boots & Hoods: The Small Stuff That Makes a Big Difference in Cold Water

When divers plan a trip to cooler waters—whether it's the kelp forests of California, a deep wreck in the Great Lakes, or a winter dive in the Sea of Cortez—they usually focus all their attention on their primary suit. They debate the merits of a 7mm wetsuit versus a semi-dry, or finally make the jump to a drysuit.

But here is a hard truth about thermal protection: You can be wearing the warmest, most expensive drysuit on the market, but if your head, hands, and feet are freezing, your dive is over.

Water conducts heat away from your body 25 times faster than air. When you get cold, your body goes into survival mode. It immediately restricts blood flow to your extremities (your hands and feet) to keep warm blood circulating around your vital organs (your core). Meanwhile, your head—which has a massive concentration of blood vessels—cannot restrict flow in the same way, meaning it constantly vents your body heat straight into the ocean.

At Paragon Dive Store, we know that extending your bottom time in cold water is all about managing your extremities. Here is everything you need to know about choosing the right gloves, boots, and hoods to stop the shivers and keep the feeling in your fingertips.

1. The Hood: Stopping the Brain Drain

Depending on who you ask, you can lose anywhere from 20% to 40% of your body heat through your head and neck. Diving in cold water without a hood is like turning on your home’s heater and leaving the front door wide open.

• The Bib: A good cold-water hood doesn’t just cover your head; it has a wide "bib" at the bottom. This bib tucks inside the collar of your wetsuit. This creates a staggered seal that prevents cold water from flushing down your back every time you turn your head.
• The Vent: As you exhale, bubbles can occasionally escape your mask and get trapped inside your hood. Look for a hood with small, one-way exhaust vents at the crown to let trapped air escape without letting cold water in.
• Thickness Guide:
  • Temperate (65°F - 75°F): A 3mm or 5mm hood is usually sufficient.
  • Cold (Below 65°F): You need a 7mm hood, or a 5/7mm combination for flexibility around the neck.

Shop Our Selection Of Dive Hoods

2. The Gloves: The Battle of Dexterity vs. Warmth

Gloves present the biggest compromise in scuba diving. The thicker the neoprene, the warmer your hands will be. But the thicker the neoprene, the harder it is to clip a bolt snap, adjust your mask, or operate your camera.

• Sealed Seams: Just like your wetsuit, the seams on your gloves matter. Look for glued and blind-stitched (GBS) seams or liquid-taped seams. If the seams aren't sealed, cold water will constantly flush over your fingers.
• Grip: Neoprene is slippery underwater. Ensure the palms and fingers have a textured grip (like silicone or Kevlar) so you can safely hold boat ladders and gear.
• Thickness Guide:
  • Temperate (65°F - 75°F): 3mm gloves offer the perfect balance of dexterity and warmth.
  • Cold (Below 65°F): 5mm gloves are the standard. They require some practice to get used to the loss of dexterity.

Pro Tip: Your gloves should fit snugly. If they are too loose, your body has to waste energy heating up the large pockets of water sloshing around inside them.

Shop Our Selection Of Dive Gloves

3. The Boots (Booties): Happy Feet, Happy Diver

Your feet do all the heavy lifting underwater. They drive your fins, and they carry the weight of your gear when you are walking to the water. A bad pair of boots will leave you with freezing toes and painful blisters.

• The Sole: If you only do boat dives, a soft, flexible sole is fine. But if you do shore dives over rocks or gravel, you need a heavy-duty, hard-soled boot to protect your arches and prevent slips.
• The Fin Stop: Look for boots that have a rubber ridge or "fin stop" on the heel. This prevents your fin strap from sliding down and slipping off your heel while you are kicking.
• Zippers vs. No Zippers: Zippers make it much easier to get thick boots on and off, but they allow water to seep in. High-end cold-water boots feature an internal "water baffle" to minimize this flushing.
• Thickness Guide:
  • Temperate (65°F - 75°F): 3mm or 5mm boots.
  • Cold (Below 65°F): 7mm boots are mandatory. 

Shop Our Selection Of Dive Boots

The "System" Approach to Fit

The golden rule for hoods, gloves, and boots is that they must work as a unified system with your wetsuit.

The Over/Under Rule: When gearing up, your wetsuit legs should go over your boots, and your wetsuit arms should go over your gloves (if possible). This creates a shingle effect. If water travels up your arm, it hits the glove and stops, rather than shooting straight into your suit.

Don't Let the Cold Cut Your Dive Short

You invest too much time, money, and effort into your dive trips to let numb fingers or a brain freeze force you out of the water early. Upgrading your accessories is the most cost-effective way to drastically improve your thermal comfort.

Because fit is so crucial with these items, we highly recommend trying them on in person. Come down to Paragon Dive Store in Tucson. Bring your fins (so we can ensure your new boots fit into the foot pockets) and let us help you build the ultimate cold-water armor system so you can focus on the dive, not the chill.

Shop Our Full Collection of Neoprene Hoods, Boots, and Gloves!