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Gore Bike Wear Universal SO Thermo Helmet Cap

Sale $29.96 $39.95 25% off

Item # GBW3192

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Item # GBW3192

More than just a cap.

The low-profile Gore Bike Wear Universal SO Thermo Helmet Cap will make your winter rides just a touch more tolerable. Gore Placed its famed WindStopper membrane at the front and over the ears to keep icy winds at bay, and constructed the rest of the cap from a thermal polyester to wick moisture and keep you from overheating.

Because layering for winter riding can cause problems with all of your accessories, Gore thoughtfully provided pass-through slots for your favorite sunnies. The Cap is treated with reflective logos to provide low-light safety.

Tech Specs

[shell] GORE WindStopper (polyester), [lining] 84% nylon. 16% elastane
Recommended Use:
cycling, training, group rides

Size chart

GORE Bike Wear

Helmet Covers
Head Circumference 21.3 - 22.8in
23.6 - 25.2in
How to Measure:
For best results, take measurements over your underwear.
Measure around your head where your hat would fit comfortably.

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Here's what others have to say...


Gore SO thermal helmet cap

  • Fit:True to size

I have use this cap under my helmet more than a dozen times in temps. down to near freezing so you know what the wind chill must have been. I am very comfortable in this cap. Admittedly when the temps get around 50 my head gets wet so precludes me from removing it as I don't want to freeze my head. Now that I've experienced this I absolutely can't ride in the cold without it. I normally wear a small helmet and had to buy a medium inorder to be comfortable when wearing the cap.


Winter Biking

  • Familiarity:I've used it several times
  • Fit:True to size

This is a great hat. It covers the ears and does not allow your head to get cold. I have used several times in temps into the mid 30's. The hole for glasses is easy to use and does not let in air (at least under the helmet). I would buy again.


Excellent Product

  • Familiarity:I've used it once or twice and have initial impressions

I have to disagree with Power Addict. Wore this on New Years Day (20F) for 22 miles and my ears never got cold, even though some of my lobes weren't covered. I too really like the staggered slots for my sunglasses.

Responded on

My ear lobs weren't covered either, found irritating to have lower band of cap rubbing bottom of ears so returned. The larger size fits my head well but length of cap down over ear probably same as small size cap. Have another Gore cap that fits over ears just fine but is worn from lots of use.


Recipe for cold ears

  • Familiarity:I've used it once or twice and have initial impressions
  • Fit:True to size

I wanted a cap to keep my ears warm and couldn't decide between this Thermo version and the standard version, so I bought both. The description for the Thermo cap is wrong: the ears are NOT Windstopper. They are simply fleece and allow 90% of the wind to come through. I rode in it anyway, thinking that maybe the Windstopper on the rest of the cap would keep the blood in my head warm which would then flow through my ears. What actually happened is that the Windstopper on the top of the cap prevented the sweat on my head from evaporating, so it pooled up and fell down around my ears. This moisture readily evaporated on my barely protected earlobes. On the plus side, the fleece ear covers don't block any sound, either, so you can easily hear traffic.

Side by side view of Both versions

Thermo in front, stand version behind.

Side by side view of Both versions

Back View of Both Versions

Thermo in front...standard version behind.

Back View of Both Versions


Well, more like very warm (but not sweaty). This is a must for cold weather rides; much warmer than the standard Universal cap, which is really more like a 'head band' with a thin top...O.K. for coolish, but not cold rides.

Fits fine under my Specialized S-Works Prevail helmet.

*Love the ear slots for glasses to fit into, without causing gaps for cold winds to get in (there is fabric on the inside of ear slots that further protect from windchill, so that no air is directly passing through!).

Here is a shot of the cozy interior. The thermo version is in front, where the standard version is behind; you can see the difference in thickness.


Sizing Chart

Here is the sizing chart from Gore Bike Wear's website

Sizing Chart

Kick-it-up a Notch...

  • Gender:Female
  • Familiarity:I've put it through the wringer

*I reviewed this, and the regular 'Universal SO Helmet Cap'...on that items' page (because this wasn't pictured on-line at the time).

Anyway, this is absolutely great for cold weather riding. It is a huge step up in warmth and wind protection than the other cap, which is better for milder rides as there is practically no protection on the top of it...where the most heat loss occurs!

Love the slits for slipping your glasses through, eliminating drafts for cold air; so simple yet so smart.