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 Drifter Fit Collection is where performance meets presence. Designed for those who like their look as strong as their stride, the Drifter brings a modern edge to every mile....
The Alter Ego Drifter Fit Collection is where performance meets presence. Designed for those who like their look as strong as their stride, the Drifter brings a modern edge to every mile. Its flat brim and horizontal shape give it a confident, unmistakable silhouette, while the lightweight build and breathable materials keep comfort front and center.
From long runs and city commutes to post-race hangs, these flat-brim hats move seamlessly between performance and lifestyle because your hat should keep up with every version of you.
If you’re looking for flat-brim running hats or a bold, versatile fit that turns heads and performs under pressure, this is it.
Product Features
Every Drifter Fit hat is engineered with the same technical precision found across our performance line, only now, it comes with a modern attitude.
Flat brim and structured crown for a sharp, confident look
Lightweight, breathable build for all-day comfort
Sweat-wicking HyperPoly+™ fabric keeps you cool mile after mile
Reflective elements enhance visibility in low light
Adjustable snapback for a secure, custom fit
Enhanced durability and ventilation designed for performance and everyday wear
Built to perform. Styled to stand out.
A Note From the Founders
The Drifter Fit was born from a simple idea: running gear should feel as personal as it performs. We wanted to create a fit that matched the mindset of the modern runner, the one who trains hard but never blends in.
It’s a hat that bridges the gap between the trail and the city, between long runs and late nights. The Drifter is bold by design, built to move, and made to remind you that confidence is part of performance.
Performance with an Edge
The Drifter Fit doesn’t compromise. It’s lightweight enough for race day and modern enough for every day. With its elevated crown and signature flat brim, it’s made for runners who see the miles as more than training; they’re part of their lifestyle. Our flat brim hats not only elevate your style but are engineered to support your active lifestyle, ensuring comfort and performance at every step.
Run it, wear it, live it.
g for more options? You can also explore the Alter Ego Hats collection for more performance gear, and check out our XL Hats for a larger fit.
Drifter Fit FAQs – Refined Flat Brim Hats
The Drifter features a flat brim and higher crown, giving it a bold, modern silhouette with the same lightweight comfort Alter Ego is known for.
Absolutely. It’s designed for movement, made with our performance-grade fabrics to keep you cool, dry, and comfortable mile after mile.
Yes. They feature our AE UltraSnap™ adjustable snapback for a secure, custom fit.
Yes. The Drifter Fit is designed to fit and flatter all runners, with a shape that balances structure and comfort.
Perfect for runs, travel, or everyday wear, the Drifter Fit transitions effortlessly from training to lifestyle.
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.