TIMELESS FLANNELS FOR THE MODERN MAN

The Unrivaled Leader of Heavyweight Flannels
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OUR COMMITMENT

BUILT TO LAST A LIFETIME

Since 2019 MuskOx™ has handcrafted heavyweight flannels inspired by the unyielding spirit of the muskox. Just as the muskox stands strong in the wild, our flannels are made for men who take life head-on, with confidence and strength. Rooted in a pioneering spirit, MuskOx exists to empower every man to conquer his world.

Grand Flannel Moss, Heavyweight Flannel Shirt by MuskOx

GRAND FLANNEL

Best Selling & Softest Heavyweight Flannel Shirt
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Field Grand Flannel Brick, Heavyweight Flannel Shirt by MuskOx

FIELD GRAND FLANNEL

Dense & Durable Heavyweight Flannel Shirt
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NEW FOR FALL

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Field Grand Flannel in Green and Orange Plaid, Heavyweight 100% Cotton Flannel for Men Field Grand Flannel Conifer, Heavyweight Flannel for Men

S / Conifer

$154.00
Men's Heavyweight Cotton Flannel in Green, Burgundy, Blue, and Yellow Plaid Men's Heavyweight Cotton Flannel in Green, Burgundy, Blue, and Yellow Plaid

S / Spruce

$154.00
Field Grand Flannel in Frost, 100% Cotton Heavyweight Flannel in Blue and Orange Plaid

S / Frost

$154.00
Field Grand Flannel in Steel Blue Plaid, 100% Cotton Heavyweight Flannel Field Grand Flannel in Steel Blue Plaid, 100% Cotton Heavyweight Flannel

S / Steel Blue

$154.00
Field Grand Flannel in Green and Orange Plaid, Heavyweight 100% Cotton Flannel for Men Field Grand Flannel Conifer, Heavyweight Flannel for Men

Field Grand Flannel, Conifer

$154.00
Men's Heavyweight Cotton Flannel in Green, Burgundy, Blue, and Yellow Plaid Men's Heavyweight Cotton Flannel in Green, Burgundy, Blue, and Yellow Plaid

Field Grand Flannel, Spruce

$154.00
Field Grand Flannel in Frost, 100% Cotton Heavyweight Flannel in Blue and Orange Plaid

Field Grand Flannel, Frost

$154.00
Field Grand Flannel in Steel Blue Plaid, 100% Cotton Heavyweight Flannel Field Grand Flannel in Steel Blue Plaid, 100% Cotton Heavyweight Flannel

Field Grand Flannel, Steel Blue

$154.00
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9 products
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Grand Flannel, Rated by GearJunkie
“GearJunkie's Best Overall Flannel for 2023, 2024, & 2025”
— Awarded in in GearJunkie's "The Best Men’s Flannels of 2025"
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Field Grand Flannel, Featured in MAXIM
“The best damn flannel shirts. Timeless yet modern ... maximum softness.”
— MAXIM Magazine
MuskOx Pecan Plaid Field Grand Flannel Shop Field Grand Flannels
From The Herd
“Super soft and is by far the best flannel shirt I own. This includes L.L. Bean, Filson, and the like.”
— James, Grand Flannel
MuskOx Grand Flannel Shop Grand Flannel
From The Herd
“This shirt is extremely comfortable and well made. The fit is excellent.”
— David, Grand Flannel
MuskOx Grand Flannel Shirt Shop Grand Flannel
From The Herd
“This is the best fitting, most comfortable and warm flannel I own.”
— John, Relaxed Flannel
MuskOx Relaxed Fit Flannel Shirt Shop Relaxed Fitting Flannel
Ethically Manufactured Flannels

UNRIVALED QUALITY

Face any challenge with confidence and strength
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Man outdoors camping in Lagoon Field Grand Flannel by MuskOx
Man fly fishing outside in MuskOx Grand Flannel
Ethically Manufactured Flannels

COMMITMENT TO THE ENVIRONMENT & OUR WORKERS

Flannels build in a way that we can all be proud of
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WILDLIFE CONSERVATION

$5 for every flannel purchased is donated to wildlife conservation
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