Soleil Baseball Hat
The classic, elevated. Structured crown, curved brim, clean from every angle — the baseball hat is the standard everyone else is measured against. HATSY's version keeps the lines exactly where they belong and rebuilds it from the inside out. A fully silk-lined interior, a silk strapback, and our signature HATSY Silk Tech™ construction, hand made and designed for the hat you wear every single day.
The Silk Lining +
Grade 6A Mulberry silk. Not satin. Not a blend.
Hand cut and hand stitched. The same silk grade used in luxury bedding. Designed with Dr. Robert Dorfman, Beverly Hills hair restoration surgeon and Hatsy co-owner.
Fit & Details +
Shipping & Returns +
Doctor’s Note +
“The silk-lined interior is the single best thing a daily hat wearer can do for their hair and skin. I co-own Hatsy because I believe in this -- not because of the business, but because of the results I see in my patients.”
-- Dr. Robert Dorfman, MD Beverly Hills Hair Restoration Surgeon
Why Hatsy Silk-Tech™? +
You sleep on silk. Now you can wear it.
Cotton traps heat. Synthetics cause friction. Hours in a regular hat can mean friction at your hairline, trapped heat and sweat on your skin, and dry, roughed-up hair. Hatsy Silk-Tech™ is smooth, breathable and doesn’t soak up your oils, so it’s far gentler on all three. It’s just a better material.
Look inside.
From the outside it’s a great hat. Turn it over and you’ll see why it’s a Hatsy.
Hatsy Silk-Tech™ · in three places
100% Grade 6A mulberry silk lining · silk sweat band · silk strap · made by hand
The problem
Your hat was working against you.
Cotton traps heat and holds sweat. Rough bands rub at your hairline. Wear one every day and your hair and skin feel it.
Dr. Robert DorfmanPartner & co-owner · MD Northwestern · MSc Oxford · UCLA Plastic Surgery
“The silk-lined interior is the single best thing a daily hat wearer can do for their hair and skin.”Read his story →
A day under your hat.
Drag through a day of wearing and watch what builds up.
Drag the hours.Illustration, not lab data.
Meet 
Premium materials and Hatsy Silk-Tech™, designed to be gentler on your hair and skin and comfortable all day.
Grade 6A Mulberry SilkReal Silk Inside
Hand cut from real mulberry silk. Not satin, not a blend. The same grade used in luxury bedding.
Your HairlineKinder to Your Hair
Cotton linings rub your hairline all day. Hatsy Silk-Tech™ glides instead, so there’s less friction right where hair tends to break.
Forehead & BrimKinder to Your Skin
Regular hats trap sweat and oil on your skin. Breathable Hatsy Silk-Tech™ doesn’t hold them there.
ScalpKind to Your Scalp
Cotton soaks up your scalp's natural oils. Hatsy Silk-Tech™ leaves them where they belong.
TemperatureAll-Day Comfort
Hatsy Silk-Tech™ stays cool and soft, without the tight, pinching feel. You forget you're wearing a hat.
Everyday WearMade For Every Day
100% cotton shell, pre-curved brim and an adjustable fit. Looks like your favorite hat, feels better.
Dr. Robert DorfmanDoctor Co-Developed
Co-developed with Dr. Robert Dorfman, a Beverly Hills hair restoration surgeon and Hatsy co-owner, with your hair and skin in mind.
Real People. Real Hatsy.
Hear it from the people who wear Hatsy every day.
The material
Grade 6A Mulberry Silk.
Not satin. Not charmeuse. Not a blend. The highest silk classification. Every lining hand cut and hand made, so each piece is unique.
Hatsy Silk-Tech™
Not all silk is created equal.
Most of what is marketed as silk is synthetic satin weaves, polyester blends, and low-grade imitations. Genuine high-grade silk is something else entirely.
We work exclusively with organic silk producers. No harmful chemicals, no synthetic processing, no shortcuts. Pure silk, grown the way silk was always meant to be grown.
Every batch that goes into a Hatsy is hand-selected for purity, softness, and consistency. If it is not right, it does not touch your hat.
We source from producers who have spent generations mastering the craft. The quality difference between a great silk producer and an average one is felt immediately.
Most hat brands do not know what is inside their hats. We know exactly where our silk comes from, how it is cultivated, and how it is hand-stitched into every cap we make.
The three things a regular hat gets wrong
A smooth silk band instead of rough cotton, so there’s less friction right where hair tends to break.
Breathable silk at the brim that doesn’t hold sweat and oil against your forehead all day.
Soft and cool, with nothing digging in. From morning until night.
Why it works
You sleep on silk. Now you can wear it.
Silk is far smoother than cotton, breathes better, and doesn’t soak up the moisture your hair needs.
vs. Others
Most hats are made to only look good. Hatsy is made to be good for your hair, skin and comfort. Take a look for yourself.
Built for your life
Wherever the day takes you.
Travel
Workout
Social
Coffee
Run
Every Day
Inside matters.
We started Hatsy because we wore hats every day and knew something was wrong. Not with the look, but with the feel. So we rebuilt the hat from the inside out. Silk-lined. Hand made. Designed for real life.
$70.00