What head size is the "One Size" Minus33 Merino Wool Ridge Cuff Beanie

It means it's for "average" sized domes. The respondents claiming it will comfortably fit all head sizes are likely the same 5'10 guys claiming to be 6'1". I don't wear hats, thus cannot relate to hat size. I however wear a size 62 motorcycle helmet. This is determined by measuring perimeter of dome from just above (15mm) eyebrows. I am 61.8 cm. As delivered new, this beanie is very snug and barely covers down to mid ear. I soaked mine in cold water for 5 minutes then stretched and tugged over my head. Finally, let it air dry at room temp fitted over 1 gal paint can to 'block it', preventing shrinkage. This worked for me such that it doesn't pull down as low as i'd prefer but its no longer so tight to give me a headache.

How many % merino wool?

100% Australian Merino Wool - Lightweight - 18.5 micron - 230/m - helps regulate body temperature Imported. I brought with me two other beanies on my trip to Iceland. Out of the 3 I used this more as it kept me warm (in below zero temperature with wind chill)

Is this hat thin enough to wear under a bike helmet?

Hello, This hat can be worn under a helmet. It is approx. 3mm in thickness, yet still very warm. Let us know if you have any other questions! - Minus33 Merino Wool Clothing

Is it good choice to wear under -20 degree Celsius?

Merino Wool is very warm while also being very lightweight. I have worn mine at -4 F, which is -20 C, and been very comfortable.

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100% Merino Wool Cuff Beanie - Mens & Womens Warm Winter Hat - Watch Cap - Toque - Novelty Beanie - One Size Fits Most

Product ID: 3289901

🧳Lightweight & packable - travel ready

🧶100% Merino Wool - ultra soft & natural

🛡️UPF 50+ sun protection - shield your skin

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Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🧢 Elevate your winter style with the beanie that works as hard as you do!

EFFORTLESS CARE - Machine washable and dryable with advanced easy-care technology for busy lifestyles.
ONE SIZE FITS MOST - Designed to fit head circumferences from 17 to 25 inches, ensuring a snug yet flexible fit.
TRUSTED HERITAGE BRAND - Minus33, a legacy of 100+ years in wool craftsmanship, delivering premium quality since 2004.
ALL DAY COMFORT WARMTH - Double-layered 18.5 micron Merino wool keeps you cozy without overheating.
VERSATILE OUTDOOR ESSENTIAL - Perfect for hiking, skiing, running, or casual city strolls—fits under helmets seamlessly.

This 100% Merino Wool Cuff Beanie combines premium 18.5 micron wool with a lightweight, double-knit design that offers superior warmth, breathability, and moisture-wicking. Engineered for active professionals, it fits most head sizes, is machine washable, and provides UPF 50+ sun protection. Backed by Minus33’s century-old wool expertise, it’s the perfect blend of performance and style for any outdoor or urban winter adventure.

Specifications

ASIN	B00B2A4RBK
ASIN	B00FLRIYM8
Additional Features	Lightweight
Age Range Description	Adult
Apparel Closure Type	Pull-On
Apparel Fabric Stretch	No Stretch
Apparel Fabric Weight Class	Lightweight
Best Sellers Rank	#52,932 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #10,334 in Men's Fashion
Brand Name	Minus33 Merino Wool
Color	Charcoal Gray
Customer Reviews	4.6 4.6 out of 5 stars (9,050)
Date First Available	October 3, 2013
Department	mens
Fabric Type	Merino Wool
Fit Type	Stretch
Fit to Size Sentiment	Positive
Global Trade Identification Number	00879955006531
Hat Form Type	Beanie
Is Waterproof	false
Item Dimensions	9.3 x 8.4 x 0.8 inches
Item model number	3580
Manufacturer	Minus33 Merino Wool Clothing
Manufacturer	Minus33 Merino Wool
Manufacturer Part Number	3580CG
Material Type	Wool
Number of Items	1
Occasion Type	summer
Package Dimensions	1 x 1 x 1 inches; 1 Pounds
Pattern	Solid
Pattern Style	Solid
Product Care Instructions	Machine Wash
Recommended Uses For Product	Outdoor Wear
Seasons	Winter
Sleeve Length Description	Sleeveless
Sport Type	Camping & Hiking
Style Name	Classic
Style Number	3580
Sun Protection	5E+1 Sun Protection Factor (SPF)
Theme	Occupational/Professional
UPC	879955006531
Unit Count	1 Count
Water Resistance Level	Not Water Resistant

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€ 43.90

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

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