Use a measuring tape for maximum accuracy (flexible tape, if possible).
Make sure the measuring tape is positioned to where your hat will be wore and neither too tight nor loose.
Measure on bare skin / over hair similiar to how you would wear your hat.
Compare your head measurements to those on our size chart, and choose the size closest to yours.
Size Guide
Size Guide
Size
chest
waist
XS (0-2)
31-34"
79-86 cm
25-27"
64-69 cm
S (4-6)
34-37"
86-94 cm
28-30"
71-76 cm
M (8-10)
38-41"
97-104 cm
31-33"
79-84 cm
L (12-14)
42-45"
107-114 cm
34-36"
86-91 cm
XL (16-18)
46-49"
117-124 cm
37-39"
94-99 cm
XXL (20-22)
50-53"
127-135 cm
40-42"
102-107 cm
How to measure
To choose the right size, follow the steps below:
Use a measuring tape for maximum accuracy (flexible tape, if possible).
Measure your chest
Wrap the measuring tape around the fullest part of your chest, just under the arms and across the
shoulder blades. Keep it horizontal and snug, but not tight.
Measure your waist
Find the narrowest part of your torso, just above the belly button. Wrap the tape around your waist
comfortably, leaving space for one finger.
Compare your chest and waist measurements to those on our size chart, and select the size that most
closely matches your measurements for the best fit.
Size Guide
Size Guide
Size
hips
waist
XS (0-2)
34-36"
86-91 cm
24-26"
24-26"
S (4-6)
36-38"
91-97 cm
28-30"
71-76 cm
M (8-10)
38-40"
97-102 cm
30-32"
76-81 cm
L (12-14)
40-42"
102-107 cm
34-36"
86-91 cm
XL (16-18)
42-44"
107-112 cm
38-40"
97-102 cm
XXL (20-22)
44-46"
112-117 cm
40-42"
102-107 cm
How to measure
To choose the right size, follow the steps below:
Use a measuring tape for maximum accuracy (flexible tape, if possible).
Measure your hips
Stand with your feet together and wrap the tape around the fullest part of your hips, keeping it level
and snug but not tight.
Measure your waist
Measure your waist at the narrowest part, usually just above the belly button. Wrap the tape snugly
around your waist, leaving a finger's width for comfort.
Compare your hips and waist measurements to those on our size chart, and select the size that most
closely matches your measurements for the best fit.
The Alter Ego Christmas and Holiday Hat Collection captures the energy of the season with designs that stand out and perform. Each piece blends Alter Ego’s signature athletic fit with bol...
The Alter Ego Christmas and Holiday Hat Collection captures the energy of the season with designs that stand out and perform. Each piece blends Alter Ego’s signature athletic fit with bold, limited-edition holiday style.
These aren’t your average Christmas hats. Built for athletes, travelers, and those who stay in motion, every hat delivers lightweight comfort, breathability, and a look that carries from the run to the afterparty. From performance-driven Christmas trucker hats to versatile cold-weather styles, this drop brings together function, fun, and festive flair.
If you’re searching for holiday headwear, Christmas running hats, or performance gear with a seasonal edge, you’ll find it here.
Product Features
Every hat in this limited-edition drop is built with Alter Ego’s signature performance tech, combining all-day comfort with the durability to handle your most active season yet.
Lightweight, breathable fabrics that keep you cool during long runs or holiday chaos
Sweat-wicking materials designed for comfort from the first step to the last sprint
Holiday-inspired designs and colorways that stand out on the road or at the after-party
Structured, adjustable fit for security and comfort
Reflective details for early morning or evening runs
Built with AER performance fabric technology for durability, ventilation, and water resistance
Designed to keep you moving, celebrating, and running through the holidays.
Why Choose the Alter Ego Holiday & Christmas Hat Collection?
At Alter Ego, we’ve always believed that performance and personality belong on the same run. The Christmas Collection is a celebration of that spirit, bold, bright, and built for the moments that make this season special.
Christmas looks a whole lot different with kids running around, early mornings turning into gift wrapping, and chaos somehow mixing with joy. Through it all, finding a few miles for yourself can feel like a small miracle, and we’re here for it.
These hats are made for those early escapes, the post-dinner jogs, and every moment in between. Because when it comes to the holidays, we believe in one simple rule: run hard, play harder, and make time for the things that keep you grounded. And to make sure you’re comfortable for all those moments, our Hat Fit Guide will help you find your perfect fit.
Performance with a Holiday Twist
This collection isn’t just about festive colors, it’s about bringing Alter Ego performance into every part of your season. The same sweat-wicking, lightweight materials that power our core line now meet a limited-edition holiday design built for celebration.
Perfect for your runs, races, or just rocking a little Christmas energy all month long.
Christmas and Holiday Hats FAQs
Yes. Every holiday hat uses our same AER performance technology found in our running caps, delivering lightweight breathability and quick-dry comfort.
Definitely. These hats are made for movement, from long runs to strength sessions to holiday 5Ks. For additional running gear, check out ourRunning Beanies collection.
Yes. Each Christmas and holiday hat is part of a seasonal release and is only available while supplies last.
The collection includes a mix of our signature Coaster,Trotter, Cruiser, and Drifter fits, so you can pick your favorite style and performance profile.
Yes. Every hat in this collection is designed for all runners, with adjustable sizing to ensure a comfortable fit for everyone.
Introducing the trotter fit, our modern interpretation of a classic hat that is sure to impress.
Shop the look
Elevate your running game with the cruiser fit - a premium, unstructured running hat that looks and feels fast, while The drifter fit was designed with modern style in mind, featuring a horizontal shape and flat brim that offer a sleek and contemporary look.