Ker Sun

UV Sun hat - Sequoia

Q: Does the UPF 50+ protection ever wash out?

The UPF 50+ protection does not wash out . Our sun protective expertise has allowed us to develop fabrics that filter UV rays mechanically. Thanks to the meticulous choice of textile fibers, their optimized density and our advanced weaving techniques, we guarantee a UPF 50+ protection , without added sunscreens, which persists throughout the life of the product , even after many washes. To preserve the quality and durability of your product, we recommend that you follow care instructions carefully specified on this product sheet (see above) or on the label.

UPF 50+

Sports activities

Brim up to 3.9 inches

$71.90

Your order will be shipped from France. All import duties, customs fees and local taxes are the responsibility of the customer. These charges are not included in the product price or shipping cost and may be collected upon delivery by the carrier.

Perfect for your hikes or nature getaways, this lightweight and practical hat will offer you protection and comfort all day long.

Note: head circumference is the most important measurement when choosing your size. To measure your head circumference, place the measuring tape around the widest part of your head, just above your ears, without pulling too tight.

Size	Head Circumference (cm/in)
S/M	55–57 cm (21.7–22.4 in)
M/L	57–59 cm (22.4–23.2 in)
L/XL	59–61 cm (23.2–24.0 in)
XXL	61–63 cm (24.0–24.8 in)

S/M In stock

S/M In stock
M/L In stock
L/XL In stock
XXL 3 left in stock

Product variants

To choose the most suitable size, please refer to the size chart.

Free shipping to the U.S. on orders over $100. Taxes and duties are not included in the listed prices. For returns, the shipping label costs $9. See delivery and return options.

Complete your look

Technical Details

Very high sun protection: fabric certified UPF 50+ against UVA and UVB according to the EN 13758-1 standard.

Sustainability: 100% recycled polyester.

Maximum longevity: ultra-resistant and flexible fabric.

Versatility: suitable for everyday use and sports.

Features

Brim width: 3.9 in at the front and 3.1 in on the sides
Side and back openings ensure excellent airflow
Absorbent inner band for increased comfort in case of perspiration
Adjustable tightening at the back for a personalized fit
Removable chin strap
Foldable and ultra-compact for easy travel
Weight: 3.8 oz

Composition

100% recycled polyester.

Traceability and manufacturing

Design & Product Development: France

Dyeing / Printing: China

Weaving / Knitting: China

Apparel manufacturing: China

UV and Quality Testing: France

Logistics & Shipping / Customer Service: France

French company Ker Sun oversees every key stage of its production. In Annecy, in the heart of the French Alps, we design our collections, select each fabric, create prototypes, and carry out UV-protection tests as well as quality control. Our team also provides attentive and accessible customer service there. From our logistics hub in Burgundy, in north-eastern France, your orders are carefully prepared and shipped worldwide.

This product is made in China, in the Shanghai region, a cradle of textile expertise recognized worldwide. Dyeing, weaving, garment manufacturing – every step is carried out locally by our trusted partners, carefully selected for their know-how and the rigor of their production standards. This choice is deliberate: it allows us to combine outstanding quality, durability, and controlled pricing, without ever compromising your health.

For your safety, our UV-protective clothing is classified as Personal Protective Equipment (PPE) by the European Union. As such, it is subject to strict regulatory checks, ensuring reliable and lasting protection, as well as consistent quality.

And because your needs are not all the same, we have also developed a range of garments made in Portugal, using local fabrics that combine European craftsmanship and excellence.

Washing and care instructions

Hand wash, do not immerse in water

Do not bleach

Dry flat

Do not iron

Do not dryclean

Spectrophotomètre permettant de mesurer l'efficacité des tissus anti-UV Ker Sun et leur conformité avec la norme européenne EN 13758-1.

Maximum sun protection certified UPF 50+

Our garments offer the highest level of sun protection, certified UPF 50+ under the European standard EN 13758-1. Every fabric, in every color and with each new production run, is rigorously tested to ensure this excellence.

Designed for the most delicate skin, they provide optimal protection against the sun's rays.

Tissu de chapeaux anti-UV, certifié UPF 50+

Innovative fabric technology for lasting protection

At Ker Sun, your skin is our top priority. Our expertise in UV protection has enabled us to develop fabrics that mechanically filter UV rays. Through meticulous selection of textile fibers, optimized density, and our advanced weaving techniques, we guarantee UPF 50+ protection, without added sunscreen filters, that lasts throughout the garment’s lifetime, even after countless washes.

Side ventilation for optimal comfort in any situation

Side vents promote excellent airflow, delivering optimal comfort even on the hottest days.

Perfect fit thanks to the integrated drawstring

This hat comes with a drawstring system, letting you quickly and easily adjust it to your head size for a secure fit, even in wind or intense activity.

Frequently Asked Questions

For which activities is this product designed?

This UPF 50+ sun protective product is specifically designed to accommodate your active days, whether they involve sports or more casual daily moments.

Perfect for hiking, running, tennis, or just taking a walk outdoors, it combines comfort, breathability, and optimal defense against the sun’s rays. Versatile and high-performing, it supports you through every activity, whether you’re on the move or simply seeking comfort during downtime.

Is the fabric breathable and able to wick away perspiration?

Yes, this product is made from a technical fabric that promotes airflow and wicks away moisture. This breathability helps you stay dry and comfortable, even during extended physical activity.

Is this product suitable for my specific condition?

Ker Sun’s UPF 50+ clothing and accessories are specifically designed to deliver optimal sun protection for highly sensitive skin, including individuals requiring extra care due to specific conditions.

We effectively protect:

People without any condition who wish to prevent sun-related harm.
Those with medical conditions who need rigorous sun protection.

Below are some examples of conditions for which our garments are suitable:

Skin cancers: Basal cell carcinoma, squamous cell carcinoma, melanoma
Autoimmune diseases: Lupus, scleroderma, dermatomyositis
Medical treatments: Chemotherapy, radiotherapy, immunosuppression, photosensitizing treatments
Dermatoses and photosensitivity: Actinic keratosis, porokeratosis, vitiligo, eczema, photosensitive dermatoses, chronic actinic heliodermatitis
Rare genetic conditions: Erythropoietic protoporphyria, Bloom syndrome, porphyrias, ichthyoses

Our products guarantee UPF 50+ certified UV protection, providing you peace of mind no matter your situation. If you have specific questions, our team is here to assist you.

Does the UPF 50+ protection ever wash out?

The UPF 50+ protection does not wash out.

Our sun protective expertise has allowed us to develop fabrics that filter UV rays mechanically. Thanks to the meticulous choice of textile fibers, their optimized density and our advanced weaving techniques, we guarantee a UPF 50+ protection, without added sunscreens, which persists throughout the life of the product, even after many washes.

To preserve the quality and durability of your product, we recommend that you follow care instructions carefully specified on this product sheet (see above) or on the label.

Which certification or standard does this product meet for sun protection?

This garment is certified UPF 50+, providing you with the highest level of sun protection. Every fabric, regardless of color, undergoes rigorous testing under the European standard EN 13758-1 for each new production run, ensuring maximum, reliable, and safe protection.

Is this hat foldable?

Absolutely. It is even perfect for traveling. You can fold this hat without damaging it, so you can store it easily in a bag and always keep it on hand.

Is this hat adjustable to various head sizes?

Yes, it has an adjustment mechanism to fit comfortably around different head sizes.

Ker Sun alongside dermatologists and healthcare professionals since 2021

Over 900 dermatologists in France and Europe recommend Ker Sun. Whether through prescriptions, in-office displays, or the distribution of our awareness materials, these experts trust us to protect your skin. As the WHO emphasizes: "Wear protective clothing." With Ker Sun, you’re choosing the option recommended by healthcare professionals.

A brand committed to sun protection

Ker Sun is deeply committed to sun protection.

In partnership with dermatologists, associations, and public health stakeholders, we actively participate in prevention campaigns, financially support initiatives, and create educational materials.

Beyond our clothing, we are wholeheartedly dedicated to an optimistic mission of education and awareness to protect everyone's health, without resorting to alarmism.

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