ALL HATS
Size Guide
| Size | Hat Size | Inches | CM |
|---|---|---|---|
| SMALL | 6 ½ - 7 ⅛ | 20.5" - 22.4" | 52cm - 57cm |
| STANDARD | 6 ⅞ - 7 ½ | 21.7" - 23.6" | 55cm - 60cm |
| X-LARGE | 7 ⅛ - 7 ⅞ | 22.4" - 24.8" | 57cm - 63cm |
How to measure
To choose the right size, follow the steps below:
Use a measuring tape for maximum
accuracy (flexible tape, if possible).
Measure where the hat will sit, with
the tape snug but not too tight.
Measure on bare skin or over your
hair, similar to how the hat is worn.
Match your measurement to the
closest size on our chart.
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 | 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.
Alter Ego Hats Collection Overview
The Alter Ego Hats Collection is built for runners, athletes, and active individuals who want performance without sacrificing style. Whether you are stacking miles, hitting the trail, lining up a round of golf, or cruising to brunch, each running hat delivers comfort, protection, and a modern look that fits your lifestyle.
We specialize in both men's and women’s running hat designs and versatile runner hat silhouettes that move seamlessly from training to everyday wear. Expect airy comfort, dialed-in fits, and designs that feel as good as they look, because the best running hat should perform everywhere you do, in hot days, cooler weather, and everything in between.
Product Features
- Ultra-lightweight construction for minimal distraction and all-day comfort
- Moisture-wicking, quick-dry performance to manage sweat on long runs, workouts, or everyday wear
- Breathable rear panels that boost airflow and regulate temperature in hot conditions
- Curved brims with sun protection for outdoor miles, training sessions, and races
- Structured brims for road running and sunny days, or relaxed crowns for post-run hangs and casual wear
- Adjustable closures for a secure, personalized fit across different head shapes and hairstyles
- Durable materials designed to hold their shape, wash after wash, and perform through daily use. This makes them a strong choice if you're looking for the best running hat for marathon training and long-term use.
- Versatile styling that transitions seamlessly from track to golf course to city streets
- Performance engineered for all seasons, built to keep you comfortable in both hot and cooler weather conditions
Suited to keep up from race day to golf outings, tough workouts to cold-weather layering, our men's running caps and racing hats options deliver the durability, function, and style you will reach for on repeat.
Brand Story (A Note From the Founders)
We are brothers who left corporate jobs to chase a dream, and Alter Ego is the result of pouring everything into a small (but mighty) brand we truly believe in. It still blows our minds how far this little idea has come. We set out to build the best hats out there, but what keeps us going is the community that has grown around them: you.
We have spent years dialing in fit, durability, and materials so your gear holds up for the long haul. It is the kind of quality you can feel the moment you put it on: a lightweight hat that breathes, a brim that holds shape, a finish that still looks fresh after countless miles. Thanks for supporting us, we would not be here without you. When you wear an Alter Ego runners' hat, you are not just grabbing another accessory, you are joining a crew that runs hard, lives loud, and shows up for each other.
Men's Running Hats for Sport & Everyday Versatility
Performance is the point, but versatility is the superpower. For training days, our running hats use moisture-wicking fabrics, breathable materials, and sun-shielding brims to keep you cool, focused, and protected, especially during warmer runs, where the benefits of wearing a running hat during summer workouts really stand out. For colder mornings, the durable yet breathable fabrics layer easily with your winter gear.
For everything else, the clean, street-inspired aesthetic makes it easy to pair with hoodies, tees, and travel kits. Commuting, gym sessions, weekend races, golf rounds, or coffee runs, these men's running hat styles are built to transition fast. If you are after the best running hat for both pace and personality, this is where you will find it.
Looking for something specific? Explore the collection to find your perfect running hat, athletic hat, golf hat, or workout hat, whether you want a feather-light race day option, a daily trainer, or an everyday staple that handles whatever your calendar throws at it.
FAQs for Alter Ego Performance Hats
No washing machine needed. Simply rinse in cool water, shake out, and your hat is ready to wear again. Our premium fabrics are made to last without losing shape. For more care tips, check out our Do’s and Don’ts of Running Hat Care.
Not at all. While our roots are in running, Alter Ego hats are built for versatility. Customers wear them for golf, training, workouts, travel, and casual everyday style.
Yes. Every Alter Ego runners hat is designed for men and women. With adjustable snapbacks and multiple size options, they are made for anyone who values fit, comfort, and performance.
They do. All Alter Ego hats feature adjustable snapbacks for a personalized fit. We also offer Small and X-Large sizes with different circumferences and crown depths, so every athlete can find their perfect fit.
Look for a running hat that is lightweight, breathable, and fits securely. Features like moisture-wicking fabric and ventilation can make a big difference depending on your activity and weather.
