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Popular Collection

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.

SMALL (37)
STANDARD (91)
X-LARGE (81)
X-SMALL (1)

Black Black
White White
Gray Gray
Blue Blue
Camo Camo
Green Green
Khaki Khaki
Brown Brown
Red Red
Orange Orange
Yellow Yellow
Beige Beige
Gold Gold
Purple Purple
Pink Pink

Be Kind, Rewind Collection (7)
Bone Yard (7)
Camo (14)
Cruiser Pro (5)
Foam Trucker (1)
Iridescent (5)
Obsidian (3)
Paint Splatter (1)
Rebel (2)
Royal Palm (8)
Signature (17)
Summit (1)
USA (22)

Filter

SMALL (37)
STANDARD (91)
X-LARGE (81)
X-SMALL (1)

Black Black
White White
Gray Gray
Blue Blue
Camo Camo
Green Green
Khaki Khaki
Brown Brown
Red Red
Orange Orange
Yellow Yellow
Beige Beige
Gold Gold
Purple Purple
Pink Pink

Be Kind, Rewind Collection (7)
Bone Yard (7)
Camo (14)
Cruiser Pro (5)
Foam Trucker (1)
Iridescent (5)
Obsidian (3)
Paint Splatter (1)
Rebel (2)
Royal Palm (8)
Signature (17)
Summit (1)
USA (22)

1 - 20 of 91 Products

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Coaster Pro Splash USA Splatter

$69

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Coaster Splash USA White Navy Palm

$59

Drifter Pro Splash USA Splatter

$69

Trotter Splash USA Black Paint

$59

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Cruiser Splash Heat Wave Yellow & Green

$49

New

Cruiser Splash Heat Wave Blue & Red

$49

New

Cruiser Splash Heat Wave Blue & Green

$49

Limited

Coaster Splash Off-Grid Camo Green

$59

Limited

Coaster Splash Off-Grid Camo White

$59

Front view of a black running hat with a bold teal and pink palm tree emblem and sleek design for athletic and everyday use.

Interior and back view of a black performance hat with a vibrant teal and pink camo-patterned mesh and adjustable strap, combining style with functionality.

Back view of a black performance hat with an adjustable strap and teal and pink camo mesh panel for enhanced ventilation and secure fit.

Selling Fast

Coaster Splash Black Teal Pink Camo Palm

$49

New

Coaster Pro Splash Black Iridescent

$69

New

Coaster Pro Splash White Iridescent

$69

New

Coaster Splash Blue Iridescent

$59

New

Drifter Splash Black Iridescent

$59

New

Trotter Splash Black Iridescent

$59

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Popular Hats for Men & Women

Some hats look good in photos. These ones look good after 500 miles. Whether you're searching for popular trucker hats or flat-brim snapbacks, Alter Ego's most popular hats for me...

Some hats look good in photos. These ones look good after 500 miles. Whether you're searching for popular trucker hats or flat-brim snapbacks, Alter Ego's most popular hats for men and women are sweat-tested, community-approved, and built to show up every single time.

Why These Keep Selling Out

It starts with the fit. Then the fabric. Then the first run, where you forget you're even wearing a hat. That's the Alter Ego difference, and it's why these popular hats keep finding their way back into carts. Whether you found us through a race, a recommendation, or just searching for popular trucker hats that actually perform, you're in the right place.

The Fits People Keep Coming Back To

Coaster Fit – Modern look, classic vibe.
Trotter Fit – Timeless style with a fresh look.
Drifter Fit – Clean lines, confident edge.
Cruiser Fit – Ultra-light, built for speed.
Traveler Fit – Laid-back style for any adventure.

All styles feature AER Splash™ Water Repellent Technology and HyperPoly+™ Fabric for all-conditions performance.

Built for Every Kind of Athlete

Runners found us first. Then hikers, gym-goers, golfers, and people who just refuse to put up with a bad hat. These popular hats for men and women are designed to move with you, as they are breathable enough for training, sharp enough for everything after.

Frequently Asked Questions

Are these hats designed for men and women?

Every Alter Ego fit is designed for men and women. All styles come in multiple sizes, including Small, Standard, and X-Large, for the right fit every time. You can also visit our Hat Fit Guide to find your perfect size

What are the latest trends in snapback and flat-brim hats?

Bold colorways, clean lines, and lightweight performance fabrics are leading right now. The Drifter Fit with its flat brim and confident look hits every one of those notes.

What are the best and most popular hats for outdoor activities and sun protection?

Every Alter Ego style features AER Splash™ Water Repellent Technology and HyperPoly+™ Fabric, making them built for outdoor activities and changing conditions, no matter which fit you choose.

What are the most popular hat styles right now?

The Coaster, Drifter, Cruiser, Trotter, and Traveler fits are consistently Alter Ego's top sellers, each built for a different kind of athlete and activity.

Where can I buy trendy athletic caps online?

Right here. Free US shipping on orders $75 and up, with fits and colorways that go beyond what most brands offer.

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Size Guide

How to measure

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

How to measure

Use a measuring tape for maximum accuracy (flexible tape, if possible).

Measure your chest

Measure your waist

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

How to measure

Use a measuring tape for maximum accuracy (flexible tape, if possible).

Measure your hips

Measure your waist

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.

Popular Hats for Men & Women

Why These Keep Selling Out

The Fits People Keep Coming Back To

Built for Every Kind of Athlete

Frequently Asked Questions

Are these hats designed for men and women?

What are the latest trends in snapback and flat-brim hats?

What are the best and most popular hats for outdoor activities and sun protection?

What are the most popular hat styles right now?

Where can I buy trendy athletic caps online?

Stay In The Loop

Shop the look

Shop the look

Shop the look

Shop the look

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.