Frontier Threads Men's Traditional Plaid Flannel Button Down

Walmart

Exact plaid pattern style and scale, Highly similar blue and off-white/cream color palette, Flannel material consistency, Button-down shirt category match, No visible brand on product image (consistent with source), Overall form factor and design elements align closely

Fashion Nova Men's Alleghany Flannel Shirt Combo

Fashion Nova

Highly similar blue and white plaid pattern, Flannel material matches, Long-sleeved button-down style matches, Casual aesthetic matches, No visible chest pockets, aligning with source

Burnside Men's Flannel Shirt

ShirtCotton.com

Very similar blue and white plaid pattern, Flannel material matches, Long-sleeved button-down style matches, Casual aesthetic matches