Great for the price!
I love the beanie! Fits great and nice and warm. Read more
SUNMECI
SUNMECI Winter Thermal Helmet Liner Skull Cap Double Fleece Warm Cycling Biker Cap Ski Beanie Outdoor Work Hat
$9.99$14.99
Key details
- department
- unisex-adult
- date_first_available
- September 1, 2025
- product_warranty
- For warranty information about this product, please click here
- best_sellers_rank
- #44,979 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #13 in Women's Cycling Caps #20 in Men's Cycling Caps
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Customer reviews
363 reviewsPositive
Rated 4.6/5 across 363 reviews — highly regarded by customers.
- 100% of sampled reviews are from verified purchases.
- 88% of sampled reviews give 4–5 stars.
Customers say
Customers find the thermal liner keeps their head warm and fits comfortably under bike helmets, with one mentioning it works well with hard hats.
Generated from the text of customer reviews
Great product
You look at it and think "it's too thin", but nope, the fabric is tightly weaved and well executed and it keeps your head as warm as a hat that can fit under a bicycle helmet comfortably can. Perfect form and function, true to size. No complaints. Read more
Great hat!
I have a green Turtle fleece hat that love and have had for close to 20 years, but it does not cover my ears. I was searching for a brown fleece hat (I drive for UPS, they provide us knit winter hats, but they make my head itch) and found this! I can get away with wearing this hat. It keeps my head and ears nice and warm without any itching. I like that it is nice and thin. I have a small head and was worried this would be too large, but it fits perfectly. I think it will last for years! Read more
Surprising Warmth in a Slim Little Cap
The SUNMECI Winter Thermal Helmet Liner turned out to be a great cold‑weather add‑on. It’s thin enough to fit comfortably under a helmet, but still warm enough to take the edge off windy days. The material feels soft, stretchy, and breathable, and it doesn’t bunch up or slide around once it’s on. It’s not meant to replace a full winter hat, but for biking, running, or anything where you need warmth without bulk, it does the job really well. Lightweight, comfy, and super practical. Read more
Comfortable material, warm.
Warm, lightweight material. Perfect comfort underneath a helmet or hearing protection muffs. One size fits most. Stays in place. Sturdy, durable material. Read more
Warm, looks good, recommend
Looks good, well made, the fleece-squared texture provides a good aesthetic. Thin but very warm. Even bought a second one. Read more
Quite warm
Very warm despite being thin. Fits well under my bike helmet, but because of the thinness, I often tuck it into my coat pocket. Read more
Perfect for cold weather biking.
Warm. Really covers the ears and back of neck. Looks great! Very nice material and feel. Read more
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