Babies under six months are generally kept out of direct sun as much as possible, since sunscreen isn’t recommended for very young infants — which makes physical sun protection like a wide-brim UPF hat one of the few tools parents actually have for outdoor time. Here’s a comparison of real sun hats built specifically for babies and toddlers.
1. i play. by Green Sprouts Baby Brim Sun Protection Hat
This is a frequently named best-overall pick, rated UPF 50+ and made from Oeko-Tex certified material, which blocks a very high percentage of UV rays while also covering the neck with a brim or flap design.
Pros: UPF 50+ rating; Oeko-Tex certified material; brim/flap design covers neck as well as face.
Cons: Chin strap fit varies by head shape, so some babies try to pull it off.
2. Patagonia Baby Block-the-Sun Hat
This six-panel hat has a generous front brim and an extended back panel to protect the neck, rated at UPF 40, and is built with Patagonia’s typical durable outdoor construction.
Pros: Six-panel structured design covers face and neck; durable outdoor-brand construction; good for active outdoor days.
Cons: UPF 40 rating is slightly lower than some UPF 50+ competitors.
3. Jan and Jul Adventure Bucket Hat
This adjustable bucket-style hat is UPF 50+ and designed to grow with baby via an adjustable strap, which helps it fit for more than just one short season before being outgrown.
Pros: UPF 50+; adjustable fit extends usable time; quick-dry material good for water play.
Cons: Bucket brim offers less back-of-neck coverage than a flap-style hat.
4. Flap Happy Original Hat
A long-running favorite, this hat is UPF 50+ and uses an elastic headband to stay on, with a flap specifically covering the ears and back of the neck.
Pros: UPF 50+; elastic band helps it stay on; dedicated ear and neck flap coverage.
Cons: Elastic-band style may feel snug on babies who dislike anything tight on their head.
5. Sunday Afternoons Infant SunSprout Hat
This is a popular best-overall pick in several roundups, combining a wide brim with a chin strap and a drawstring back for a more secure, adjustable fit during active outdoor time.
Pros: Secure chin strap and adjustable drawstring; wide brim coverage; good reputation among outdoor-focused parents.
Cons: Slightly bulkier than minimalist elastic-band hats.
6. Columbia Infant/Toddler Booney Hat
Columbia’s Booney hat is a wide-brim, UPF 50+ rated option built with the brand’s durable outdoor fabric and a chin cord, aimed at active families who want a hat that holds up to hiking, beach days, and regular machine washing.
Pros: UPF 50+ rating; durable outdoor-grade fabric; adjustable chin cord for a secure fit.
Cons: Wide brim can feel bulky for very small infants compared to a simpler bucket style.
7. Hanna Andersson Reversible Sun Hat
Hanna Andersson’s reversible sun hat offers two prints in one piece, which some parents like for getting more mileage out of a single hat purchase, while still carrying a UPF 50+ rating and a soft cotton construction comfortable against sensitive newborn skin.
Pros: Reversible design adds versatility; UPF 50+ rating; soft cotton comfortable for sensitive skin.
Cons: Simple elastic-style fit without an adjustable chin strap.
Buying Tips
Look for a UPF rating of at least 30, ideally 50+, printed directly on the product — not all “sun hats” marketed for babies actually carry a tested UPF rating. A chin strap or elastic band that keeps the hat on matters more in practice than brim width, since a hat that gets pulled off within five minutes provides no protection at all. For infants under 6 months, sun hats and shade (rather than sunscreen) are generally the primary recommended protection, so a well-fitting hat is doing real protective work, not just a fashion accessory.
Coverage style matters as much as the UPF number once you get past the basic rating, since sun hats protect different parts of the head and neck depending on their shape. A flap-style hat like Flap Happy’s covers the ears and back of the neck specifically, which is one of the more commonly missed sunburn spots on babies in a stroller facing forward into low sun; a wide, structured brim like the Patagonia or Columbia Booney shades the face and shoulders well during overhead midday sun but leaves more of the neck exposed; and a simple bucket hat offers a middle ground that is easy to pack but provides less dedicated neck coverage than a flap design. Matching the hat style to how and when your baby is actually outside — stroller walks, beach days, or a backyard play session — is worth as much thought as the UPF rating itself.
FAQ
What UPF rating should a baby sun hat have?
Look for UPF 50+ where possible; UPF 30+ is considered good protection, while anything not rated at all may offer minimal verified UV protection.
Can I put sunscreen on my baby instead of using a hat?
Current general guidance advises avoiding sunscreen on infants under 6 months and instead relying on shade, protective clothing, and hats; check current pediatric guidance for your baby’s specific age.
How do I keep a sun hat from being pulled off?
A chin strap or snug elastic band style tends to stay on better than a simple brim hat with no fastening, especially for babies who are already reaching and grabbing.
Does a wet sun hat still provide UPF protection?
Most UPF-rated fabrics retain their protective rating when wet, which is why several of the hats above are marketed for water play, but it is worth checking the specific product’s care instructions if you plan to use it regularly at the pool or beach.
Is a reversible hat like Hanna Andersson’s worth the extra design versus a single-print hat?
It is mainly a styling preference rather than a protection difference — both styles can carry the same UPF rating, so the reversible feature is purely about getting two looks out of one hat rather than better sun protection.
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