White Saunom Havu merino wool sauna hat, front view

White Saunom Havu merino wool sauna hat beside a merino sheep

Comparison of Saunom white merino wool sauna hat and ordinary wool hats

Woman wearing a white merino wool sauna hat in a sauna, before-and-after hair coverage illustration

Couple wearing white merino wool sauna hats in a traditional sauna

White Saunom Havu merino wool sauna hat size and fit guide

White Saunom Havu merino wool sauna hat use and care instructions

Havu™ Merino Sauna Hat

Name: Havu™ Merino Sauna Hat
Rating: 4.9 (177 reviews)

(177)

$37.98

100% Merino Wool

One of the softest wools in the world.

Soft and Itch-Free

Stays cool, won't itch.

Safe in Real Sauna Heat

Performs in traditional and infrared saunas.

Quantity: 1 pack

1 Pack

Product variants

Havu™ Merino Sauna Hat

Available in stock

Free US shipping over $49.99.

1,000+ reviews

30,000+ orders shipped

2-6 days US delivery

Secured checkout

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The Havu Merino Sauna Hat in white is a one-piece sauna hat made of 100% merino wool. You wear it dry over your head and ears to keep the hottest air in the sauna off your scalp and hair, so you stay comfortable for longer.

Specs

Material: 100% merino wool, felted.
Construction: molded from a single piece of felted wool, so the body has no seams and keeps its shape.
Color: white.
Size: one size, fits head circumferences of about 22 to 24 in. Measure around your head just above the ears.
Works in: traditional wood-burning, electric and hybrid saunas, and infrared saunas. In a lower-temperature infrared cabin a hat is optional rather than essential.
Price: $37.98. Buy 2, get 1 free when you get three of this same hat: three for $75.96.

Why wear a sauna hat

Heat rises, so your head sits in the hottest air in the sauna. Dry wool slows down how fast that heat reaches your scalp, so your head isn't the thing that sends you out early. In our own test at 176 F (80 C), sessions went from about 12 minutes without a hat to about 20 minutes with a wool hat. The hat also sits between your hair and the direct heat.

How to wear it

Put it on dry, pull it down over your ears and keep it on for the whole session. Don't soak it first. Dry wool holds the trapped air that does the insulating. In our own use, a wet hat cools for a few minutes and then makes your head hotter.

Care

After each session, hang it somewhere dry and ventilated. Don't leave it damp in a closed bag.
Merino resists odor, so airing it out is usually all it needs.
When it needs a wash, hand wash it in cool water with a mild wool detergent. Press the water out with a towel instead of wringing, then lay it flat to dry.
Keep it away from radiators and the dryer. Hot water, rubbing and dryer heat are what shrink wool, so stick to cool water and a gentle press.

Shipping and returns

Ships from the US, with delivery in 2 to 6 days. Shipping is free on US orders over $49.99. If it arrives damaged, you get the wrong item, or the parcel is lost, email support@saunom.com within 30 days of delivery and we'll make it right.

Good to know

Merino is one of the finest, softest wools, so it sits soft against your forehead without itching.
Also comes in natural brown, with the same merino, shape and fit.
The Havu range: 100% merino sauna hat (white and natural brown), 100% wool classic sauna hat (grey), 100% wool bucket hat (white and grey) and a merino beanie (white and grey).

Havu™ Merino Sauna Hat

What a Merino Sauna Hat Does for You

The sauna's hottest air rises to the ceiling, exactly where your head sits.

Your Havu insulates your scalp so you can stay in longer without overheating.
Sauna heat draws moisture from hair and can leave it brittle.

Wool wicks heat and steam away from the strands, so you step out with your hair feeling normal, not fried.
A cooler head makes hot air feel less suffocating.

Most people notice they can take deeper, calmer breaths the first time they wear one.
The cooler your scalp stays, the longer you can sit in the löyly, and longer sessions are where the actual recovery benefit kicks in.

Most sauna accessories are made to be cheap. We built Saunom to do the opposite.

Rooted in Finnish sauna tradition · 30,000+ orders from sauna owners

Merino vs Cheap Wool Hats

Feature	Saunom Havu™ Merino	Cheap "Wool" Sauna Hats
100% Pure Merino Wool	✓	Often acrylic blends or thin felt
Safe at Real Sauna Temperatures	✓	Synthetics raise off-gassing concerns above 80°C
Lets You Stay in 15–40% Longer	✓	✕
Naturally Odor-Resistant	✓	Synthetics trap smells
Soft Enough for Bare Skin	✓	Coarse wool and synthetics itch
Wicks Moisture, Doesn't Trap It	✓	✕

What owners say

4.9

177 reviews

5★155

4★22

3★0

2★0

1★0

Worn the Way It's Meant to Be

Ryan F.05/20/2026

★★★★★

These really help during long time in the saunas — my head stays much cooler. Didn't realize how much of a difference a sauna hat could make.

Logan P.05/19/2026

★★★★★

Can definitely extend my time in the sauna now!

Paige B.05/19/2026

★★★★★

Excellent quality, feels light as a feather. Get it.

Hunter K.05/10/2026

★★★★★

Exactly what I was looking for. Keeps the heat off the top of my head and I've been able to stay inside much longer without needing to step out to cool down. Big head and was worried it wouldn't fit — it did, no problem. Easy to hand wash too.

Heather C.05/10/2026

★★★★

My husband uses it in the sauna and likes it.

Hailey S.05/08/2026

★★★★

Does a excellent job shielding your head and hair from getting too hot. Love the color and design — really charming. Only complaint is it ran a bit bigger than expected.

How to Wash a Merino Sauna Hat

Air dry

After each sauna, hang your hat in a dry, well-ventilated spot and let it air out fully.

Don't keep it in a closed bag while it's still damp.

Merino is naturally odor-resistant, it rarely needs more than this.

Store flat

Once fully dry, store flat in a cupboard.

Treated this way, your Havu will hold its shape and softness for years of weekly use.

Hand wash

Every several uses, or when it genuinely needs cleaning, hand wash in cool water with a mild wool detergent.

Gently squeeze, don't twist or wring. Rinse thoroughly and press excess water out with a clean towel.

Sauna Hat FAQ

Something else? Email support@saunom.com.

What is a sauna hat?

A sauna hat is a wool cap made for wearing in the sauna. It covers your ears and the top of your head, goes on dry, and stays on through the whole session. Caps like this are a long-standing part of sauna tradition.

What does a sauna hat do?

A sauna hat keeps the most intense heat off your head and hair. Heat rises, so your head sits in the hottest part of the room, and a wool cap takes the edge off that peak heat so you stay comfortable through a longer session.

Why wear a sauna hat?

It is not strictly required, but it makes the difference between cutting a session short and sitting through it. Without one, the heat hits your head and hair directly. With one, the sauna stops being about your head and becomes about the rest of you.

What are sauna hats made of?

Wool, and the type matters. Cheaper caps use coarse or part-synthetic wool that can scratch and hold smell. The Havu is 100% merino, the finest and softest wool, so it sits soft against your forehead and gives you the heat protection wool is known for through a long session.

Do you wear a sauna hat wet or dry?

Dry. The whole point of a sauna hat is to insulate your head from the heat, and soaking it works against that. Put it on dry, leave it on through the session, and let the wool do its job.

Does a sauna hat protect your hair?

Yes. Dry sauna heat is hard on hair over time and can leave it brittle, and a wool cap sits between your hair and that direct heat. It is one of the quieter reasons regular sauna-goers wear one.

Will a sauna hat shrink in the wash?

Not if you wash it the right way. Hot water, rubbing and dryer heat are what shrink wool, so hand wash in cool water, press the water out without wringing, and lay it flat to dry. Keep it off the radiator and out of the dryer.

What size is a sauna hat, and will it fit me?

One size, made to fit most adult heads. It works for head circumferences of about 22 to 24 inches, and the wool gives slightly for a snug fit rather than a tight one. Measure around your head just above the ears.

Do you need a sauna hat in an infrared sauna?

In a traditional or hybrid sauna, yes. The air still gets hot enough that head protection keeps you more comfortable. In a lower-temperature infrared cabin the heat is gentler, so a hat is optional rather than essential.

Do sauna hats smell?

Wool naturally resists odor, so airing it out after a session is usually enough and it rarely needs washing. Hang it somewhere dry and well ventilated rather than leaving it balled up in a bag.

Is a sauna hat the same as a banya hat?

Yes, same idea. Banya is the Russian name and sauna hat the Finnish-rooted one, but both are wool caps that protect your head from the heat. This is the sauna-tradition version.

Is it stitched together or one piece?

One piece. This hat is molded from a single piece of felted wool rather than cut and sewn from panels, so the body has no seams and holds a clean, structured shape session after session